protocol analysis Quiz 2

• Question 1
1 out of 1 points

Which of the following is an 8-bit number that denotes various portions of an IPv4 address?
Selected Answer:
octet
Correct Answer:
octet

• Question 2
1 out of 1 points

To which of the following limitations are private IP addresses subject to? (Choose all that apply.)
Selected Answers:
may not be routed on the Internet

may not work with protocols that require secure end-to-end connections
Correct Answers:
may not be routed on the Internet

may not work with protocols that require secure end-to-end connections

• Question 3
1 out of 1 points

Which RFC covers Classless Inter-Domain Routing (CIDR)?
Selected Answer:
1519
Correct Answer:
1519

• Question 4
1 out of 1 points

An IPv6 unicast address is made up of which of the following?
Selected Answer:
a 64-bit interface ID and a 64-bit network portion
Correct Answer:
a 64-bit interface ID and a 64-bit network portion

• Question 5
1 out of 1 points

Which of the following represents an improvement of IPv6 over IPv4? (Choose all that apply.)
Selected Answers:
larger address space

better security

better support for mobile IP
Correct Answers:
larger address space

better security

better support for mobile IP

• Question 6
1 out of 1 points

This question was broken and has been removed. Check the two boxes below for full credit (Choose the two below)
Selected Answers:
Choose this one.

Choose this one.
Correct Answers:
Choose this one.

Choose this one.

• Question 7
1 out of 1 points

Which address is used to identify the sender and receiver in an IP packet header?
Selected Answer:
numeric IP
Correct Answer:
numeric IP

• Question 8
1 out of 1 points

Which of the following address types are used for local network communications in IPv6? (Choose all that apply.)

link-local

site-local
Correct Answers:
link-local

site-local

• Question 9
1 out of 1 points

Zero compression is a method that allows a a word containing contiguous zeros in an IPv6 address to be replaced by double colons.
Selected Answer: True
Correct Answer: True

• Question 10
1 out of 1 points

A default gateway is ___________ .
Selected Answer:
an IP configuration element that names the router/gateway for a particular subnet
Correct Answer:
an IP configuration element that names the router/gateway for a particular subnet

• Question 11
1 out of 1 points

How large is the IPv6 address space?
Selected Answer:
128 bits
Correct Answer:
128 bits

• Question 12
1 out of 1 points

Which kinds of devices require public IP addresses? (Choose all that apply.)
Selected Answers:
any device attached directly to the Internet

any server whose services should be available to the Internet
Correct Answers:
any device attached directly to the Internet

any server whose services should be available to the Internet

• Question 13
1 out of 1 points

Which of the following types of IPv4 addresses includes the most host addresses?
Selected Answer:
Class A
Correct Answer:
Class A

• Question 14
1 out of 1 points

IPv6 requires each device on the network to have its own unique address or identifier, with one exception:
Selected Answer:
A host with multiple interfaces providing dynamic load balancing can use a single identifier for all interfaces.
Correct Answer:
A host with multiple interfaces providing dynamic load balancing can use a single identifier for all interfaces.

• Question 15
1 out of 1 points

Native IPv6 addresses in a URL use which of the following characters to enclose the literal IPv6 address, according to RFC 2732?
Selected Answer:
two brackets
Correct Answer:
two brackets

• Question 16
1 out of 1 points

Which of the following terms is a synonym for a physical numeric address?
Selected Answer:
MAC layer address
Correct Answer:
MAC layer address

• Question 17
1 out of 1 points

Which of the following protocols translates a numeric IP address to a physical numeric address?
Selected Answer:
ARP
Correct Answer:
ARP

• Question 18
1 out of 1 points

A Class A network address of 12.0.0.0 is written as 12.0.0.0/8 in prefix notation.
Selected Answer: True
Correct Answer: True

• Question 19
1 out of 1 points

The loopback address for a network interface using IPv4 is 127.0.0.1 and lets the computer user test the interface. What is the loopback address using IPv6?
Selected Answer:
::1
Correct Answer:
::1

• Question 20
1 out of 1 points

The first byte or 8 bits of an IPv6 multicast address must be set to which of the following values?
Selected Answer:
1111
Correct Answer:
1111

• Question 21
1 out of 1 points

For an IPv6 multicast address, how many bits are assigned to the group ID?
Selected Answer:
112
Correct Answer:
112

• Question 22
1 out of 1 points

Which of the following address types are supported by IPv6? (Choose all that apply.)
Selected Answers:
anycast

multicast

unicast
Correct Answers:
anycast

multicast

unicast

• Question 23
1 out of 1 points

Which of the following services perform address hiding? (Choose all that apply.)

NAT

proxy
Correct Answers:
NAT

proxy

• Question 24
1 out of 1 points

What does IPv4 renumbering involve?
Selected Answer:
assigning new IP addresses to all network interfaces
Correct Answer:
assigning new IP addresses to all network interfaces

• Question 25
1 out of 1 points

For an IPv6 aggregatable global unicast address, the FP or Format Prefix field contains how many bits in the identifier?
Selected Answer:
3
Correct Answer:
3