Deck 20: Aruba Certified Switching Professional

Question 1

Refer to the exhibit. LLDP The command show LLDP neighbor-info gets typed into Access-1. All switches are Aruba OS-CX switches. What is the output of this command?

A)
B)
C)
D)

Answer 1

Question 2

What is the binary conversion of the hexadecimal value 0x2001?

A) 0010 0001
B) 0002 0000 0000 0001
C) 0011 0000 0000 0001
D) 0010 0000 0000 0001

Answer 2

0010 0000 0000 0001

Question 3

Which two options are the Layer 3 Routing protocols? (Choose two.)

A) BGP
B) LLDP
C) OSPF
D) MPLS
E) 802.3ad

Answer 3

BGP
OSPF

Question 4

Refer to the exhibit. What configuration is needed in order for "show LLDP configuration" to show this output?

A) none; LLDP is enabled by default on Aruba switches
B) configuring LLDP both globally and on the interfaces
C) enabling LLDP on the interfaces only
D) configuring LLDP globally only

Question 5

What are the benefits of a 3-Tier design over a 2-Tier? (Choose two.)

A) Offloading processing from the Core without routing at the Access layer.
B) Can use lower speed links between Core to Aggregation and Aggregation to Access given the use of an Aggregation layer.
C) Lowering the cost of a deployment due to needing less switches overall.
D) Better scalability in a campus with a large number of buildings.
E) Gaining the flexibility to connect the Data-Center to any Access layer switch.

Question 6

Which command will suppress LLDP messages from egressing on a given port while still allowing LLDP to be enabled on the switch?

A) switch(config-if)# no lldp interface (port) transmit switch(config-if)# no lldp interface (port) transmit
B) switch(config-if)# no lldp transmit no lldp transmit
C) switch(config-if)# no lldp receive no lldp receive
D) switch(config)# no lldp switch(config)# no lldp

Question 7

Refer to the exhibit. What change on Core-1 will result in a successful ping to 10.1.1.254 from the management interface?

A) Use the command ping 10.1.1.254 vrf mgmt Use the command ping 10.1.1.254 vrf mgmt
B) Use the command ping 10.1.1.254/24 ping 10.1.1.254/24
C) Change the Core-1 management address to 10.1.1.1/25 first Change the Core-1 management address to 10.1.1.1/25 first
D) The destination 10.1.1.254 requires configuring a static route The destination 10.1.1.254 requires configuring a static route

Question 8

Refer to the exhibit. The Aruba 8400 in the exhibit is member 2 of a VSX stack. Which command will enter the interface sub configuration mode for the port, indicated by the orange square?

A) 8400(config)# interface 2/4/15
B) 8400(config)# interface 1/7/16
C) 8400(config)# interface 1/4/15
D) 8400(config)# interface 2/3/17

Question 9

What is true about VSX? (Choose two.)

A) VSX is ideal for Campus access layer deployments where ease of deployment is needed.
B) VSX allows upgrading members with near zero downtime or loss of packets.
C) VSX is available on all Aruba OS-CX switches except the 6300F model.
D) VSX is implemented on static port switches. VSX-plus needed to stack chassis together.
E) VSX run separate control planes to reduce latency and improve performance.

Question 10

What is the correct description of a Multi-Layer Switch?

A) a switch with Layer 3 routing capabilities but lacks any Layer 1 features as a consequence
B) any switch that supports PoE, LLDP-MED and Flow Control
C) has all the functionality of a Layer 2 switch and most of the functionality of a Layer 3 router
D) multi-Layer refers specifically to using chassis switches with several line cards over stack port switches

Question 11

What are the commands to disable SSH and HTTPS services from the default VRF?

A) Core-1(config)# no ssh server Core-1(config)# no https-server
B) Core-1# no ssh server vrf default Core-1# no https-server vrf default
C) Core-1(config)# no ssh server enable Core-1(config)# no https-server enable
D) Core-1(config)# no ssh server vrf default Core-1(config)# no https-server vrf default

Question 12

What command displays information regarding the secondary image installed on an AOS-CX switch?

A) show secondary
B) show version detail
C) show version
D) show images

Question 13

Your customer has 349 users in a two-story building. What are two benefits of a 2-Tier design? (Choose two.)

A) Layer 2 and Layer 3 protocols run close to the endpoints to better implement ACL and QoS policy at the edge.
B) Improved performance by offloading processing from the Access layer to the Core.
C) Use of layer 2 switches at the access layer can process and route traffic from attached APs.
D) Support for WAN/MPLS, Internet, and Data Center directly on the Collapsed core.
E) Provides a more cost effective solution given that no additional switches are required for a third tier.

Question 14

What are two primary concerns regarding layer two loops in a redundant topology? (Choose two.)

A) routing loops
B) costs associated with upgrading from copper to fiber
C) multiple frame copies leading to instability of the MAC address table
D) security issues with a redundant loop indicating to hackers that a back-door exists
E) broadcast storms

Question 15

Refer to the exhibit. Using the static IP address configured above, what is the converted binary value of the third octet assigned to the local interface?

A) 11010101
B) 10110001
C) 01001011
D) 11111000

Question 16

Which two port characteristics must match between LAG interfaces? (Choose two.)

A) Port number
B) Duplex
C) Member ID
D) Media type
E) Chassis number

Question 17

What are two features of the three-tier designs? (Choose two.)

A) removes the distribution layer in favor of a spine-leaf design used in modern data center deployments
B) adds a distribution layer to free up resources from the Core for improved performance and routing throughput
C) a more scalable design over by leveraging a distribution layer to handle Layer 3 routing and access control in large deployments
D) uses only Layer 2 access on the Access and the Core with Layer 3 routing and access control provided at the distribution layer
E) is considered legacy by requiring a large flat layer-two broadcast domain from Core to Access and should be avoided

Question 18

What is the process where a compute device converts logical data bits into the correct physical representation depending on the media?

A) Demodulation
B) Modulation
C) Propagation
D) Encapsulation

Question 19

ServiceOS login: admin SVOS> password Enter password: ******** Confirm password: The login password to access an Aruba AOS-CX was lost. After connecting to the switch console port, a reboot is performed and the Service OS console is accessed as shown above. What is the default password that is required for the admin account while under the Service OS console?

A) No password is set for this account.
B) "password"
C) "forgetme!"
D) The same login password that has lost originally.

Question 20

Refer to the exhibit. The above scenario shows a packet from the Server destined for the Firewall. Switch-A and Switch-B are bundled as VSF stack. The LAG between the VSF stack and the firewall indicates a hash function to forward the packet on port 2/1/2. Which statement is true regarding how Switch-A will forward the packet?

A) Switch-A will forward the packet on port 1/1/2. VSF will override the typical LAG hash function used for the physical interface selection.
B) Switch-A will drop the packet. Multi-Chassis lag to multi-chassis lag is not a supported feature of VSF.
C) Switch-A will encapsulate the packet using GRE to forward to Switch-B in order for the packet to egress on port 2/1/2 per the hash function.
D) Switch-A will forward the packet along the VSF link to Switch-B so that it will egress on port 2/1/2 per the hash function.

Question 21

Which statement is true regarding modern switching requirements?

A) Most older legacy switches had high port bandwidth utilization and were future proof designed to meet today's power-over-Ethernet needs.
B) Requirements for PoE are normally addressed using AC to DC power adapters. Concerns for port security for IoT devices are usually addressed using default wired encryption that all 802.3 Ethernet switches provide.
C) While APs are common, most clients are still docked and only require traditional wired connections with only the occasional dedicated PoE switch to provide power for the low number of devices needed.
D) Clients tend to prefer wireless connections, raising the need for PoE port access. There is also a growing amount of IoT devices that require security and port authentication options.

Question 22

What is an available command on an Aruba AOS-CX switch that would back up the secondary image to a secure remote repository?

A) backup secondary sftp://admin@10.1.1.21/GL.10.04.0003.swi
B) copy secondary sftp://admin@10.1.1.21/GL.10.04.0003.swi
C) copy sftp://admin@10.1.1.21/GL.10.04.0003.swi secondary
D) copy secondary tftp://admin@10.1.1.21/GL.10.04.0003.swi

Question 23

Which two statements accurately describe the features of NetEdit? (Choose two.)

A) NetEdit can be used to configure and validate any third-party device that supports SSH and REST access.
B) NetEdit includes trial licensing for up to 10 nodes.
C) NetEdit can perform configuration and compliance validation.
D) NetEdit supports viewing and editing multiple devices using a single deployment plan.
E) NetEdit can run on a mobile device using Android or Apple IOS.

Question 24

What are two mechanisms supported on AOS-CX 6300 switches used in Multi-active Detection to determine the status of the Primary member? (Choose two.)

A) Management interface split detection
B) Peer switch-based detection
C) Loopback keepalives
D) ARP-based
E) BFD

Question 25

Which port or ports should be allowed through a firewall so that an AOS-CX switch can act as an SNMP Agent?

A) UDP 1812 and UDP 1813
B) UDP 161
C) TCP 443
D) UDP 162

Question 26

You have completed a successful VSF stack between two switches. Without manually assigning a backup switch, what is the expected output when issuing a show vsf command?

A)
B)
C)
D)

Question 27

Refer to the exhibit What is true regarding VLAN 50 according to the diagram above?

A) VLAN 50 is part of a switched virtual interface (SVI) that was never routed causing it to be down.
B) Since VLAN 50 has not been assigned to any enabled physical port, the status is down.
C) VLAN 50 is assigned only to Trunk ports which is why no ports are listed under interfaces.
D) VLAN 50 was never added to the vlan-database and therefore is in a down state.

Question 28

Which two options are correct regarding the IEEE 802.11ax standard? (Choose two.)

A) allows transmissions of up to 4.8Gbps
B) is an emerging satellite connection standard to allow wireless access anywhere in the world
C) operates only in the 5GHz similar to 802.11ac
D) operates in both the 2.4GHz and 5GHz radios bands
E) is the first WLAN standard to no longer use electromagnetic signals to transmit data

Question 29

Refer to the exhibit. The above command was applied to an Aruba AOS-CX 6300M 24-port switch with 4-port SFP56 uplinks. All ports are set as access switchports. Which ports carry VLAN 1 traffic?

A) 1/1/8, 1/1/10, 1/1/5-1/1/24
B) 1/1/1-1/1/28
C) 1/1/1-1/1/24
D) 1/1/8-1/1/10, 1/1/5-1/1/28

Question 30

Which two types of routes can be found in the IP routing table of an Aruba AOS-CX switch? (Choose two.)

A) Local
B) EIGRP
C) BGP
D) ISIS
E) RIPng

Question 31

Which two commands will save the running-config so that changes will be loaded automatically on the next reboot? (Choose two.)

A) write memory
B) save
C) copy config config1 config startup-config
D) copy running-config startup-config
E) copy running-config checkpoint boot-config

Question 32

The customer has 778 developers testing computer games on the network. Which two actions resolve Broadcast storms? (Choose two.)

A) Manually disable the redundant link to immediately resolve the impacted portion of the network.
B) Utilize Spanning Tree to dynamically disable all redundant links in a segment.
C) Setting switch ports to half-duplex will resolve Broadcast storms using Carrier Sense Multiple-Access Collision Detection (CSMA/CD).
D) Enable single Area Open Shortest Path First (OSPF) on all Layer 2 switches, but do not enable routing.
E) Utilize Spanning Tree to dynamically block Designated ports in addition to Alternate ports.

Question 33

Which command can be used to find the serial number of an Aruba OS-CX switch?

A) The command inventory The command inventory
B) The command version version
C) The command show running-configuration show running-configuration
D) The command show system show system

Question 34

What are two methods for remotely managing an Aruba AOS-CX switch? (Choose two.)

A) SNMPv2c
B) HTTPS
C) USB-C console
D) Telnet
E) SSH