Deck 2: Ip Addressing and Related Topics

Question 1

What name is given to a device that interconnects multiple IP networks or subnets?

A)subnet mask
B)IP gateway
C)layer-3 switch
D)network address

Answer 1

B

Question 2

As a frame moves from interface to interface, the IP source and destination address information is preserved.

Answer 2

True

Question 3

Which of the following technologies is used to permit computers to translate numeric IP addresses to MAC layer addresses?

A)ARP
B)RARP
C)Reverse proxying
D)Subnet masking

Answer 3

A

Question 4

To be valid, any domain name must correspond to at least one of which of the following?

A)loopback address
B)unique numeric IP address
C)firewall
D)IP gateway

Question 5

Which of the following can be used to replace internal network addresses with one or more different addresses so the traffic that actually travels over the public Internet does not reveal the address structure of the internal network to outsiders?

A)loopback
B)proxy server
C)subnet mask
D)layer-3 switch

Question 6

Which RFC reserves three ranges of IP addresses for private use - a single Class A (10.0.0.0-10.255.255.255), 16 Class Bs (172.16.0.0-172.31.255.255), and 256 Class Cs (192.168.0.0-192.168.255.255)?

A)1517
B)1518
C)1878
D)1918

Question 7

When a host uses a service that employs a multicast address, it registers itself to "listen" on that address, as well as on its own unique host address (and the broadcast address).

Question 8

Which term is used to describe the data frame crossing a router?

A)firewall
B)hop
C)loopback
D)dot squad

Question 9

A special bit pattern that "blocks off " the network portion of an IPv4 address with an all-ones pattern is known as which of the following?

A)reverse proxy
B)summary address
C)broadcast address
D)subnet mask

Question 10

Which of the following represents a network address that all hosts on a network must read?

A)loopback
B)hop
C)broadcast address
D)dot squad

Question 11

What type of address is a six-byte numeric address, burned into firmware (on a chip) by network interface manufacturers?

A)symbolic address
B)logical numeric address
C)reverse proxy address
D)physical numeric address

Question 12

Which class of IP addresses are used for multicast communications, in which a single address may be associated with more than one network host machine?

A)Class A
B)Class B
C)Class C
D)Class D

Question 13

Which technology allows networks use multiple private IPv4 addresses internally and maps them to one or more public IPv4 addresses externally?

A)DNS
B)IP gateway
C)NAT
D)VoIP

Question 14

What protocol is used to translate MAC layer addresses into numeric IP addresses?

A)ARP
B)RARP
C)RIP
D)IP

Question 15

Previously, IPv6 specified that interface identifiers followed which format, which specifies a unique 64-bit interface identifier for each interface?

A)RFC 4941
B)EUI-64
C)EULA-64
D)IEEE 802.64v6

Question 16

Providing a narrower address space is the primary design goal for IPv6.

Question 17

IP addresses can be represented as domain names to make it possible for users to identify and access resources on a network.

Question 18

Multicast addresses in IPv6 use which of the following to define the portion of the Internet to which the multicast group pertains?

A)scope identifier
B)interface identifier
C)loopback identifier
D)aggregatable global unicast address

Question 19

Class D addresses are used strictly for unicast applications.
Indicate the answer choice that best completes the statement or answers the question.

Question 20

What technique may be performed by boundary devices that include proxy server capabilities to replace private IP addresses with one or more public IP addresses as outbound traffic exits the server, and to replace such public addresses with their proper private equivalents as incoming traffic passes through the server?

A)IP renumbering
B)Supernetting
C)Address masquerading
D)Subnetting

Question 21

What technology gets its name from the notion that it ignores the traditional A, B, and C class designations for IP addresses?

A)Route aggregation
B)Address masquerading
C)NAT
D)Classless Inter-Domain Routing

Question 22

Match each item with a statement below.
a.interface identifier
b.anycast address
c.scope identifier
d.loopback address
e.aggregatable global unicast address
f.link-local address
g.route aggregation
h.application-specific integrated circuits
i.Layer 3 switch
an IPv6 address that is all zeros except for the very last bit, which is set to 1 and may be represented as ::1 in compact notation

Question 23

Match each item with a statement below.
a.interface identifier
b.anycast address
c.scope identifier
d.loopback address
e.aggregatable global unicast address
f.link-local address
g.route aggregation
h.application-specific integrated circuits
i.Layer 3 switch
a type of networking device that combines switch, router, and network management functions within a single box

Question 24

Match each item with a statement below.
a.interface identifier
b.anycast address
c.scope identifier
d.loopback address
e.aggregatable global unicast address
f.link-local address
g.route aggregation
h.application-specific integrated circuits
i.Layer 3 switch
in IPv6 addressing, a bit string that uniquely identifies a particular interface

Question 25

In IPv6, which address contains all zeros and can be represented as two colon characters (::) in normal notation?

A)anycast
B)broadcast
C)multicast
D)unspecified

Question 26

Match each item with a statement below.
a.interface identifier
b.anycast address
c.scope identifier
d.loopback address
e.aggregatable global unicast address
f.link-local address
g.route aggregation
h.application-specific integrated circuits
i.Layer 3 switch
packets goes to the nearest single instance of this address

Question 27

The physical numeric address functions at a sublayer of the Data Link layer in the OSI network reference model, called the ____________________.

Question 28

Match each item with a statement below.
a.interface identifier
b.anycast address
c.scope identifier
d.loopback address
e.aggregatable global unicast address
f.link-local address
g.route aggregation
h.application-specific integrated circuits
i.Layer 3 switch
a way of reducing the number of individual routing table entries that routers must manage

Question 29

Match each item with a statement below.
a.interface identifier
b.anycast address
c.scope identifier
d.loopback address
e.aggregatable global unicast address
f.link-local address
g.route aggregation
h.application-specific integrated circuits
i.Layer 3 switch
an addressing scheme that is designed to be used only on a single segment of a local network

Question 30

Match each item with a statement below.
a.interface identifier
b.anycast address
c.scope identifier
d.loopback address
e.aggregatable global unicast address
f.link-local address
g.route aggregation
h.application-specific integrated circuits
i.Layer 3 switch
an address that can be combined with other addresses into a single entry in the router table

Question 31

____________________ combines contiguous network addresses by stealing bits from the network portion and using them to create a single, larger contiguous address space for host addresses.

Question 32

Match each item with a statement below.
a.interface identifier
b.anycast address
c.scope identifier
d.loopback address
e.aggregatable global unicast address
f.link-local address
g.route aggregation
h.application-specific integrated circuits
i.Layer 3 switch
allows internetwork devices to perform complex address recognition and management functions that can keep up with data volumes and time-sensitive processing needs

Question 33

Which of the following allows IPv4 addresses from Class A, B, or C to be combined and treated as a larger address space, or subdivided arbitrarily, as needed?

A)Supernetting
B)Classless Inter-Domain Routing
C)Subnet masking
D)Address masquerading

Question 34

In IPv6, _________________________ addresses are used to send an identical message to multiple hosts.

Question 35

In which subnetting technique can a single address to be subdivided into multiple subnets, in which subnets need not all be the same size?

A)IP gateway
B)constant-length subnet masking
C)variable-length subnet masking
D)IP renumbering

Question 36

The activity of stealing (borrowing) bits from the host portion to further subdivide the network portion of an address is called ____________________.

Question 37

Which technique is known as the simplest form of subnet masking in which each subnet includes the same number of stations and represents a simple division of the address space made available by subnetting into multiple equal segments?

A)constant-length subnet masking
B)firewall
C)dot squad
D)anycast
Enter the appropriate word(s) to complete the statement.

Question 38

Match each item with a statement below.
a.interface identifier
b.anycast address
c.scope identifier
d.loopback address
e.aggregatable global unicast address
f.link-local address
g.route aggregation
h.application-specific integrated circuits
i.Layer 3 switch
a 4-bit field limiting the valid range for a multicast address

Question 39

When a computer on one subnet wishes to communicate with a computer on another subnet, traffic must be forwarded from the sender to which of the following devices?

A)broadcast server
B)IP gateway
C)firewall
D)proxy server

Question 40

____________________ informs the network interface card to pass packets sent to that address to the IP stack so their contents can be read, and tells the IP gateway to forward such traffic onto the physical network, where the listening network interface resides.

Question 41

What are the limitations of creating a CIDR address?

Question 42

Give two reasons why you should use binary boundaries.

Question 43

Briefly discuss IPs three-part addressing scheme.

Question 44

How can you express native IPv6 addresses in URLs?

Question 45

Why are concepts such as subnets and supernets important for TCP/IP networks?

Question 46

Briefly describe how to calculate subnet masks.

Question 47

Most organizations need public IP addresses only for two classes of equipment. Briefly describe each of these classes.

Question 48

What are some of the design goals for IPv6?

Question 49

What are the disadvantages of using private IP addresses?

Question 50

List the constraints that determine the number and size of networks.