Deck 12: Mist AI, Specialist

Question 1

Click the Exhibit button. The policy shown in the exhibit is applied as an export policy to your BGP neighborship. Which action will be taken for route 12.233.45.5?

A) It will rejected by term 2 . It will rejected by term 2 .
B) It will be accepted by term 1 . It will be accepted by term 1
C) It will be accepted by the default policy.
D) It will be evaluated by the next policy.

Answer 1

It will be accepted by term 1 . It will be accepted by term 1

Question 2

Click the Exhibit button. You recently implemented the configuration shown in the exhibit. After committing these changes, the community devices connected to AS-1 are not able to communicate with the appropriate community devices connected to AS-2. What must be done to allow these community devices to communicate?

A) You must configure an isolation VLAN ID under the vlan-pri VLAN on the AS-2 switch. You must configure an isolation VLAN ID under the vlan-pri VLAN on the AS-2 switch.
B) You must configure the ge-0/0/10 interface on AS-1 as the inter-switch link
C) You must configure the ge-0/0/1 interface on both switches as the inter-switch links.
D) You must configure an isolation VLAN ID under the vlan-pri VLAN on both switches. VLAN on both switches.

Answer 2

You must configure the ge-0/0/1 interface on both switches as the inter-switch links.

Question 3

You notice a mass withdrawal of routes for some of the network hosts. You determine that the link on the ESI interface is down. Which route type is used in this scenario?

A) Type 2
B) Type 3
C) Type 1
D) Type 5

Answer 3

Type 1

Question 4

Click the Exhibit button. Referring to the exhibit, which TTL value will be sent to the LLDP neighbors?

A) 120 seconds
B) 400 seconds
C) 90 seconds
D) 200 seconds

Question 5

What are three well-known mandatory BGP attributes? (Choose three.)

A) MED
B) AS-path
C) origin
D) next-hop
E) community

Question 6

You have PIM SM multicast configured and running in a network environment comprised of EX4300 devices. Your customers report increased delay when switching channels using IPTV. To help decrease the delay, you implement PIM join load balancing. You add the set protocols pim join-load-balance command to the configuration. After committing, you notice that the flows are still using only one path. In this scenario, which statement is correct?

A) The clear pim join-distribution command must be issued. The clear pim join-distribution command must be issued.
B) The interfaces must be specified to use for load balancing.
C) IGMP snooping must also be configured.
D) PIM join load-balancing only works for PIM-DM.

Question 7

You have configured CoS on a Junos device. A packet is classified as best effort by a behavior aggregate (BA) classifier, and as expedited forwarding by a multifield (MF) classifier. Which statement is true in this scenario?

A) The packet will be placed in a queue associated with the BA classifier.
B) The packet will be placed into the queue which is least congested.
C) The packet will be placed into the queue that has the most bandwidth assigned to it.
D) The packet will be placed in a queue associated with the MF classifier.

Question 8

You have multiple BGP routes to the same prefix with equal local-preference values and AS-path lengths. In this scenario, which route will be preferred in the route selection process?

A) The route with the least preferred origin value.
B) The route with the lowest MED value.
C) The route with the most preferred origin value.
D) The route with the highest MED value.

Question 9

Which BGP message type contains NLRI information?

A) notification
B) keepalive
C) update
D) open

Question 10

You are implementing a single spanning tree instance in your network and want to use the protocol that will give you the best convergence time in the event of a physical network failure of the root bridge. Which spanning tree protocol will satisfy this requirement?

A) RSTP
B) STP
C) MSTP
D) VSTP

Question 11

You have an IPv4 multicast network configured as PIM-SM. What must be done before replacing your static RP with auto-RP?

A) Enable sparse-dense mode on each of the routers in the network.
B) Configure auto-RP domains on each router in the network.
C) Configure each router in the network as a candidate BSR.
D) Enable each router in the network to forward multicast packets.

Question 12

What are two supported PoE management modes? (Choose two.)

A) class
B) standalone
C) static
D) mixed

Question 13

When configuring class of service, what would you use to allocate bandwidth to a forwarding class?

A) buffer depth
B) transmit rate
C) bandwidth
D) speed

Question 14

You have configured class mode power management on an EX4300 to provide PoE power to telephone and security camera equipment. You want to ensure that security camera power takes priority over telephone power. Which two actions would solve this problem? (Choose two.)

A) Connect the security cameras to the lowest port numbers on the switch.
B) Set the power priority to high on ports connected to security cameras.
C) Set the maximum power settings on ports connected to security cameras.
D) Set the power priority to low on ports connected to security cameras.

Question 15

Click the Exhibit button. Referring to the exhibit, you configured a new multifield classifier for the ge-1/2/0 interface to move ICMP traffic to the best-effort queue and traffic from 192.168.20.0/24 to the expedited forwarding queue. You received notice that some applications are not working after the change. Which configuration change will remedy the problem?

A)
B)
C)
D)

Question 16

You are using 802.1X in your access network consisting of EX Series switches. You recently had a failure with your RADIUS server which resulted in authenticating client devices being denied access to the network. You want to change this behavior so that authenticating clients are directed to a remediation VLAN. Which RADIUS server failback setting satisfies this requirement?

A) permit
B) move
C) sustain
D) deny

Question 17

What is the correct authentication processing order on EX Series switches when multiple Layer 2 authentication methods are enabled?

A) MAC RADIUS -> 802.1X -> captive portal
B) 802.1X -> MAC RADIUS -> captive portal
C) 802.1X -> captive portal -> MAC RADIUS
D) captive portal -> MAC RADIUS -> 802.1X

Question 18

Click the Exhibit button. There is a functioning OSPFv3 neighborship between Router-1 and Router-2 over the ge-0/0/1 link. However, the 172.100.100.0/24 and 172.101.101.100/24 routes are not being shared through OSPFv3. Referring to the configuration shown in the exhibit, which two actions must you take to solve the problem? (Choose two.)

A) Add interface ge-0/0/1 under the IPv4 unicast realm for both routers.
B) Add the IPv6 family protocol under ge-0/0/2 for both routers.
C) Add the lo0 interface under OSPFv3 for both routers.
D) Add interface ge-0/0/2 under OSPFv3 for both routers.

Question 19

You have an MX960 configured as a Fusion aggregation device (AD) and two QFX5100 switches as satellite devices (SD). You have configured local-switching for each SD. A packet with an unknown MAC address is received on one of the SD extended ports. Which statement is correct in this scenario?

A) The packet is dropped and a reject message is sent out to the port where it was received.
B) The packet is silently discarded and a reject message is sent to the AD.
C) The packet is flooded out of all the ports on the SD except the one where it was received.
D) The packet is sent to the AD to be processed and forwarded.

Question 20

You are currently using VLAN IDs 2 through 300 within your Layer 2 domain and you need to configure VSTP to prevent loops. You must ensure that all VLANs are loop free. In this scenario, which statement is correct?

A) You must ensure that the VLANs are balanced between two different root bridges.
B) You must enable RSTP to account for all VLANs.
C) You must ensure that the bridge priority is set to the lowest value on all switches in the Layer 2 domain.
D) You must enable all VLANs, 2 through 300, under the VSTP configuration.

Question 21

Which two statements are true about IS-IS levels? (Choose two.)

A) Level 1 systems use a default route to reach AS external routes located in other areas.
B) Level 2 systems must use the loopback address as a part of the ISO network address.
C) Level 1 systems only from adjacencies with other systems that have different area IDs.
D) Level 2 systems do not advertise Level 2 routes into a Level 1 area by default.

Question 22

Click the Exhibit button. You have configured and applied the policer shown in the exhibit to your Junos device. Which statement is true in this scenario?

A) Traffic exceeding the committed-burst size will be marked with a loss priority of high.
B) Traffic exceeding the excess-burst size will be discarded.
C) Traffic exceeding the committed-information-rate will be rate limited.
D) Traffic exceeding the committed-burst size will be discarded.

Question 23

Click the Exhibit button. You are configuring BGP policies for a site with a dual-homed connection as shown in the exhibit. You need all outbound traffic to egress the network through the link to ISP B by default. The ISPs should not be able to override this behavior through BGP attributes. Which BGP attribute would you modify on the ISP-received routes to accomplish this objective?

A) next-hop
B) origin
C) local preference
D) MED

Question 24

Click the Exhibit button. Which well-known community needs to be used to restrict 10.0.0.0/8 from being advertised to AS 2?

A) no-publish
B) no-advertise
C) no-export-subconfed
D) no-export

Question 25

You want to view the VLANs that have been created dynamically using MVRP. Which operational mode command will display this information?

A) show mvrp registration-state
B) show mvrp dynamic-vlan-memberships
C) show mvrp interface
D) show mvrp applicant-state

Question 26

Click the Exhibit button. You receive the same 100.200.0/16 route from all four ISPs to which you are connected. Referring to the exhibit, which ISP's route will be selected as active?

A) ISP-C
B) ISP-D
C) ISP-A
D) ISP-B

Question 27

Which BGP message type contains NLRI information?

A) notification
B) keepalive
C) update
D) open

Question 28

Click the Exhibit button. You are investigating reports of increased latency and discover that some routes cause customer traffic to traverse a route reflector instead of the optimal path. Referring to the exhibit, which configuration statement would solve the problem?

A) delete protocols bgp group BGP-MESH peer-as
B) set policy-options policy-statement NHS term BGP_ROUTES from external
C) set protocols bgp group BGP-MESH import NHS
D) delete protocols bgp group BGP-MESH export NHS

Question 29

Click the Exhibit button. Referring to the exhibit, the source is currently sending multicast traffic using group 224.1.1.1, which is being received by R1. R2 is not receiving PIM register messages. What would be the cause of this problem?

A) Tunnel services have not been enabled on R1.
B) All routers have not been configured with the same Auto-RP discovery group.
C) R5 has not received an IGMP report of 224.1.1.1.
D) A(*,G) tree has not been built yet.

Question 30

Click the Exhibit button. Referring to the exhibit, which two statements are true? (Choose two.)

A) There can be more than one OSPF neighbor on the ge-0/0/1 interface.
B) There can be more than one OSPF neighbor on the ge-0/0/0 interface.
C) There is no need for a DR for the ge-0/0/0 interface.
D) The DR election process is not finished for the ge-0/0/0 interface.

Question 31

Your company has expanded into office space across the street. The new office space has a single Ethernet connection connected to an unmanaged switch. You must sort traffic based on the IP address into different VLANs once the traffic arrives on your EX Series switches. Which mechanism would you use to accomplish this task?

A) MVRP
B) filter-based VLANs
C) Q-in-Q tunneling
D) dynamic VLANs

Question 32

In IS-IS, advertising PDUs with the overload-bit has which effect?

A) The local device will no longer be used for transit traffic.
B) The IS-IS adjacencies enter the "new" state.
C) The local device's PDUs are marked with a metric of 65535.
D) The IS-IS adjacencies become passive.

Question 33

Click the Exhibit button. You receive the same 75.100.0.0/16 route from all four ISPs to which you are connected. Referring to the exhibit, which ISP's route will be selected as active?

A) ISP-D
B) ISP-C
C) ISP-B
D) ISP-A

Question 34

Click the Exhibit button. During an outage, you review the status of the Q-in-Q implementation on VLAN 300. Referring to the exhibit, what would be the cause of the outage?

A) The S-VLAN is disabled.
B) The VLAN range overlaps.
C) The C-VLANs are disabled.
D) There are no active ports.

Question 35

Which protocol is used for port-level access control and authentication?

A) MD5
B) IPsec
C) 802.1X
D) AES

Question 36

Which two statements about OSPF routing policies are correct? (Choose two.)

A) By default, OSPF export policies reject network-summary LSAs.
B) By default, OSPF export policies accept network-summary LSAs.
C) By default, OSPF import policies accept network-summary LSAs.
D) By default, OSPF import policies reject network-summary LSAs.

Question 37

Which type of BGP is used to peer with a different autonomous system?

A) external
B) classless
C) dynamic
D) static

Question 38

A BA classifier, input policer, and a multifield classifier are applied to an interface. In which order are these features processed?

A) policer -> BA classifier -> multifield classifier
B) policer -> multifield classifier -> BA classifier
C) multifield classifier -> BA classifier -> policer
D) BA classifier -> multifield classifier -> policer

Question 39

Click the Exhibit button. You have configured MSTP in your Layer 2 network. You are having problems with it establishing correctly. Referring to the exhibit, what is causing the problem?

A) The region name is not correct.
B) You must assign a context ID number other than zero.
C) The MSTI-to-VLAN mapping does not match.
D) The revision number is the same on both devices.

Question 40

Your network has Junos Fusion configured with MX960 routers as aggregation devices (AD) and QFX5100 switches as satellite devices (SD). Which two statements are correct in this scenario? (Choose two.)

A) All SDs connected to a single AD must use the same software version.
B) SDs are added to the AD by configuring the cascade port on the AD.
C) The Fusion extended ports are configured on the SDs.
D) The AD runs the Junos software for all its connected SDs.

Question 41

Which protocol is used for port-level access control and authentication?

A) MD5
B) IPsec
C) 802.1X
D) AES

Question 42

You are implementing 802.1X authentication in your Layer 2 network. Each user will have a computer and a phone and you must ensure that both devices are authenticated individually. In this scenario, which supplicant mode should be used?

A) captive-portal
B) single
C) multiple
D) single-secure

Question 43

You have configured class mode power management on an EX4300 to provide PoE power to telephone and security camera equipment. You want to ensure that security camera power takes priority over telephone power. Which two actions would solve this problem? (Choose two.)

A) Connect the security cameras to the lowest port numbers on the switch.
B) Set the power priority to high on ports connected to security cameras.
C) Set the maximum power settings on ports connected to security cameras.
D) Set the power priority to low on ports connected to security cameras.

Question 44

You have an IPv4 multicast network configured as PIM-SM. What must be done before replacing your static RP with auto-RP?

A) Enable sparse-dense mode on each of the routers in the network.
B) Configure auto-RP domains on each router in the network.
C) Configure each router in the network as a candidate BSR.
D) Enable each router in the network to forward multicast packets.

Question 45

You are currently using VLAN IDs 2 through 300 within your Layer 2 domain and you need to configure VSTP to prevent loops. You must ensure that all VLANs are loop free. In this scenario, which statement is correct?

A) You must ensure that the VLANs are balanced between two different root bridges.
B) You must enable RSTP to account for all VLANs.
C) You must ensure that the bridge priority is set to the lowest value on all switches in the Layer 2 domain.
D) You must enable all VLANs, 2 through 300, under the VSTP configuration.

Question 46

You notice a mass withdrawal of routes for some of the network hosts. You determine that the link on the ESI interface is down. Which route type is used in this scenario?

A) Type 2
B) Type 3
C) Type 1
D) Type 5

Question 47

You have multiple BGP routes to the same prefix with equal local-preference values and AS-path lengths. In this scenario, which route will be preferred in the route selection process?

A) The route with the least preferred origin value.
B) The route with the lowest MED value.
C) The route with the most preferred origin value.
D) The route with the highest MED value.

Question 48

You must ensure that all management traffic sourced from your Junos devices is set with a specific DSCP code-point value. Which action will accomplish this task?

A) Apply the DSCP code-point to the [edit class-of-service host-outbound-traffic] hierarchy. Apply the DSCP code-point to the [edit class-of-service host-outbound-traffic] hierarchy.
B) Apply the DSCP code-point to the [edit class-of-service interface lo0.0] hierarchy [edit class-of-service interface lo0.0] hierarchy
C) Apply the DSCP code-point in an egress policer.
D) Apply the DSCP code-point to a rewrite rule.

Question 49

You have configured CoS on a Junos device. A packet is classified as best effort by a behavior aggregate (BA) classifier, and as expedited forwarding by a multifield (MF) classifier. Which statement is true in this scenario?

A) The packet will be placed in a queue associated with the BA classifier.
B) The packet will be placed into the queue which is least congested.
C) The packet will be placed into the queue that has the most bandwidth assigned to it.
D) The packet will be placed in a queue associated with the MF classifier.

Question 50

Which type of BGP is used to peer with a different autonomous system?

A) external
B) classless
C) dynamic
D) static

Question 51

Click the Exhibit button. Referring to the exhibit, which two statements are true regarding Q-in-Q tunneling? (Choose two.)

A) The C-VLAN traffic will be encapsulated with an outer VLAN tag of 150.
B) The C-VLANs 100-200 will be sent as the inner VLAN tag.
C) The C-VLAN 150 will be sent as the inner VLAN tag.
D) The C-VLAN traffic will be encapsulated with an outer VLAN tag of 10.

Question 52

Click the Exhibit button. A router is attempting to form an OSPF neighborship with another router. However, the OSPF neighborship fails to establish completely. Referring to the exhibit, what is the problem?

A) There is an interface type mismatch.
B) There is an interface subnet mask mismatch.
C) There is an OSPF area mismatch.
D) There is an interface MTU mismatch.

Question 53

Click the Exhibit button. Referring to the exhibit, you configured a new multifield classifier for the ge-1/2/0 interface to move ICMP traffic to the best-effort queue and traffic from 192.168.20.0/24 to the expedited forwarding queue. You received notice that some applications are not working after the change. Which configuration change will remedy the problem?

A)
B)
C)
D)

Question 54

Click the Exhibit button. Referring to the exhibit, which TTL value will be sent to the LLDP neighbors?

A) 120 seconds
B) 400 seconds
C) 90 seconds
D) 200 seconds

Question 55

Which two statements are correct about a functional ESI LAG interface? (Choose two.)

A) The LACP system ID must be the same.
B) The ESI values must be the same.
C) The LACP system ID must be different.
D) The ESI values must be different.

Question 56

You are implementing a single spanning tree instance in your network and want to use the protocol that will give you the best convergence time in the event of a physical network failure of the root bridge. Which spanning tree protocol will satisfy this requirement?

A) RSTP
B) STP
C) MSTP
D) VSTP

Question 57

Click the Exhibit button. Referring to the exhibit, how is R5 able to learn the networks that exist within the NSSA?

A) R5 learns those networks from Type 3 LSAs advertised by R2.
B) R5 learns those networks from Type 3 LSAs advertised by R3.
C) R5 does not learn those networks and uses a default route advertised by R3 instead.
D) R5 does not learn those networks but uses a default route advertised by R2 instead.

Question 58

Click the Exhibit button. Referring to the exhibit, you must advertise the 100.0.0.0/16 routes from AS1 to AS2, but R2 is not advertising any BGP routes to R5. Why is this happening in this scenario?

A) The IBGP routes will not be advertised because you must use a policy to advertise IBGP routes.
B) The IBGP routes are not active and EBGP will advertise only active routes.
C) The IBGP routes will not be advertised because the AS path shows as incomplete.
D) The IBGP routes are not active because the next hop is not reachable.

Question 59

Click the Exhibit button. Referring to the exhibit, the source is currently sending multicast traffic using group 224.1.1.1, which is being received by R1. R2 is not receiving PIM register messages. What would be the cause of this problem?

A) Tunnel services have not been enabled on R1.
B) All routers have not been configured with the same Auto-RP discovery group.
C) R5 has not received an IGMP report of 224.1.1.1.
D) A(*,G) tree has not been built yet.

Question 60

Your company has expanded into office space across the street. The new office space has a single Ethernet connection connected to an unmanaged switch. You must sort traffic based on the IP address into different VLANs once the traffic arrives on your EX Series switches. Which mechanism would you use to accomplish this task?

A) MVRP
B) filter-based VLANs
C) Q-in-Q tunneling
D) dynamic VLANs

Question 61

Click the Exhibit button. You are investigating reports of increased latency and discover that some routes cause customer traffic to traverse a route reflector instead of the optimal path. Referring to the exhibit, which configuration statement would solve the problem?

A) delete protocols bgp group BGP-MESH peer-as
B) set policy-options policy-statement NHS term BGP_ROUTES from external
C) set protocols bgp group BGP-MESH import NHS
D) delete protocols bgp group BGP-MESH export NHS

Question 62

Click the Exhibit button. Referring to the log shown in the exhibit, what is the problem with the OSPF adjacency establishment?

A) There is an MD5 authentication mismatch.
B) The OSPF database description packet is malformed.
C) The interface IP addresses on the subnet are duplicates.
D) The referenced IP address does not exist on the network segment.

Question 63

You are deploying PIM source-specific multicast (SSM) for a new multicast messaging service. You have configured the multicast source to use 235.44.123.100 as the multicast address. You are not able to join the PIM SSM multicast feed. Which two solutions would resolve this problem? (Choose two.)

A) Reconfigure the multicast source to use an address in the range of 224.0.0.0 through 224.255.255.255.
B) Reconfigure the multicast source to use an address in the range of 232.0.0.0 through 232.255.255.255.
C) Add the multicast address to the [edit routing-options multicast ssm-map] stanza. Add the multicast address to the [edit routing-options multicast ssm-map] stanza.
D) Add the multicast address to the [edit routing-options multicast ssm-groups] stanza. [edit routing-options multicast ssm-groups]

Question 64

Click the Exhibit button. You have configured MSTP in your Layer 2 network. You are having problems with it establishing correctly. Referring to the exhibit, what is causing the problem?

A) The region name is not correct.
B) You must assign a context ID number other than zero.
C) The MSTI-to-VLAN mapping does not match.
D) The revision number is the same on both devices.

Question 65

Click the Exhibit button. You are authenticating user devices connected to your EX Series switch. You have 802.1X and MAC RADIUS configured for all ports. A user is complaining about the time it takes to connect their non-802.1X device on ge-0/0/15 using MAC RADIUS authentication. Referring to the exhibit, what should be done to accelerate the authentication process?

A) Configure the restrict feature for MAC RADIUS on ge-0/0/15. Configure the restrict feature for MAC RADIUS on ge-0/0/15.
B) Configure the no-reauthentication feature for 802.1X on ge-0/0/15. no-reauthentication feature for 802.1X on ge-0/0/15.
C) Change the 802.1X retry attempts value to 5 on ge-0/0/15. Change the 802.1X retry attempts value to 5 on ge-0/0/15.
D) Change the supplicant mode to multiple on ge-0/0/15. Change the supplicant mode to multiple

Question 66

Which two statements about OSPF routing policies are correct? (Choose two.)

A) By default, OSPF export policies reject network-summary LSAs.
B) By default, OSPF export policies accept network-summary LSAs.
C) By default, OSPF import policies accept network-summary LSAs.
D) By default, OSPF import policies reject network-summary LSAs.

Question 67

Your network is configured for EVPN load balancing on three different access switches. During an outage, you notice that not all interfaces are receiving traffic as expected. Which two requirements would you validate to identify this problem? (Choose two.)

A) Validate that the same esi value is configured on multiple interfaces on all switches. Validate that the same esi value is configured on multiple interfaces on all switches.
B) Validate that the all-active flag is configured for multiple interfaces on each switch. Validate that the all-active flag is configured for multiple interfaces on each switch.
C) Validate that all-active is configured for only one interface per switch. Validate that is configured for only one interface per switch.
D) Validate that the same esi value is only configured on one interface per switch. value is only configured on one interface per switch.

Question 68

In a Layer 2 environment where 802.1X is deployed, which two statements are correct? (Choose two.)

A) RADIUS messages are exchanged between the supplicant and the authenticator.
B) RADIUS messages are exchanged between the authenticator and the authentication server.
C) Extensible Authentication Protocol messages are exchanged between the authenticator and the authentication server.
D) Extensible Authentication Protocol messages are exchanged between the supplicant and the authenticator.

Question 69

Click the Exhibit button. Referring to the exhibit, which statement is correct?

A) This router is connected to 27 different areas.
B) This router is an ASBR.
C) This router is an ABR.
D) This router originated the LSA.

Question 70

Click the Exhibit button. Referring to the exhibit, a PIM-SM network is set up to enable communication between multicast devices. Which statement is true in this scenario?

A) After the formation of the shortest-path tree, a prune message is sent from R1 to R5.
B) After the formation of the shortest-path tree, a prune message is sent from R1 to R2.
C) After the formation of the shortest-path tree, a join message is sent from R5 to R1.
D) After the formation of the shortest-path tree, a join message is sent from R1 to R5.

Question 71

Click the Exhibit button. During an outage, you review the status of the Q-in-Q implementation on VLAN 300. Referring to the exhibit, what would be the cause of the outage?

A) The S-VLAN is disabled.
B) The VLAN range overlaps.
C) The C-VLANs are disabled.
D) There are no active ports.

Question 72

In IS-IS, advertising PDUs with the overload-bit has which effect?

A) The local device will no longer be used for transit traffic.
B) The IS-IS adjacencies enter the "new" state.
C) The local device's PDUs are marked with a metric of 65535.
D) The IS-IS adjacencies become passive.

Question 73

You are enabling MSTP in your Layer 2 network to prevent loops. In this scenario, which three parameters must match on all switches in the network? (Choose three.)

A) bridge priority
B) revision level
C) MSTI-to-VLAN mapping
D) configuration name
E) max age

Question 74

Which statement is correct about MSTP?

A) MSTP enables mapping multiple independent spanning-tree instances onto one physical topology.
B) MSTP enables dynamic discovery of Layer 2 neighbors.
C) MSTP dynamically manages VLAN registration in a LAN.
D) MSTP uses stacked VLAN tags to extend a Layer 2 Ethernet connection between multiple sites.

Question 75

Click the Exhibit button. You are configuring BGP policies for a site with a dual-homed connection as shown in the exhibit. You must ensure that inbound traffic from Internet hosts flow through the ISP A connection. Which statement is correct in this scenario?

A) Apply a BGP export policy to R2 to prepend [65001 65001 65001 65001 65001] to the AS path of routes advertised to ISP B
B) Apply a BGP export policy on R1 to assign a lower MED value to routes advertised to ISP A
C) Apply a BGP export policy on R2 to assign a lower origin value to routes advertised to ISP B.
D) Apply a BGP export policy on R1 to assign a higher local preference value to routes advertised to ISP A

Question 76

Referring to the exhibit, there are multiple ASM groups in the 224.0.0.0/4 range. Which configuration change is needed to ensure R1 is always the RP for group 224.224.1.1?

A) Set the priority on R1 to zero.
B) Increase the priority on R1 to higher than R2.
C) Configure R1 with a higher local RP address.
D) Ensure R1 has a more specific group range.

Question 77

Click the Exhibit button. You have configured and applied the policer shown in the exhibit to your Junos device. Which statement is true in this scenario?

A) Traffic exceeding the committed-burst size will be marked with a loss priority of high.
B) Traffic exceeding the excess-burst size will be discarded.
C) Traffic exceeding the committed-information-rate will be rate limited.
D) Traffic exceeding the committed-burst size will be discarded.

Question 78

Click the Exhibit button. Which well-known community needs to be used to restrict 10.0.0.0/8 from being advertised to AS 2?

A) no-publish
B) no-advertise
C) no-export-subconfed
D) no-export

Question 79

Which two statements are true about IS-IS levels? (Choose two.)

A) Level 1 systems use a default route to reach AS external routes located in other areas.
B) Level 2 systems must use the loopback address as a part of the ISO network address.
C) Level 1 systems only from adjacencies with other systems that have different area IDs.
D) Level 2 systems do not advertise Level 2 routes into a Level 1 area by default.

Question 80

Click the Exhibit button. You are adding VNI 101 to your EVPN-VXLAN network, but traffic is not being sent or received. Referring to the exhibit, which configuration statement will solve the problem?

A) set routing-instances EVPN1 instance-type evpn
B) set routing-instances EVPN1 vrf-table-label
C) set routing-instances EVPN1 bridge-domains BD-101 vxlan vni 101
D) set routing-instances EVPN1 vxlan encapsulate-inner-vlan