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Free Practice Quiz Question List

IP, Addressing, and Internetworking Online Quiz Questions

Use this free practice quiz with 20 questions to review IP, Addressing, and Internetworking, test your knowledge, and prepare for your next test or exam.

20 questions
01
True or false
1 point

True or false: IP itself guarantees that packets will be delivered in order without duplicates.

  1. A

    True

  2. B

    False

02
Choose one
1 point

Which kind of information does a DNS A record provide?

  1. A

    An IPv4 address

  2. B

    An IPv6 address

  3. C

    An authoritative name server

  4. D

    A mail server

03
Written response
1 point

How many bits are in an IPv4 address?

04
Fill in the blank
1 point

IPv6 uses -bit addresses.

05
Choose one
1 point

A host knows the IPv4 address of another device on the same local network but not its Ethernet address. What does IPv4 ARP discover?

  1. A

    The remote server's DNS name

  2. B

    The local destination's MAC address

  3. C

    The packet's transport-layer port

  4. D

    The router's routing metric

06
True or false
1 point

True or false: IPv6 defines broadcast addresses for one-to-all delivery.

  1. A

    True

  2. B

    False

07
Choose all
1 point

Select all statements that accurately describe NAT or NAPT/PAT.

  1. A

    It can translate private internal IPv4 addresses into public IPv4 addresses.

  2. B

    It may track transport-layer port numbers when hosts share a public address.

  3. C

    It automatically provides all access-control functions of a firewall.

  4. D

    It changes the end-to-end addressing model.

08
Written response
1 point

How many total IPv4 address values are in a /24 prefix?

09
Fill in the blank
1 point

A router has routes 10.0.0.0/8 via Router A, 10.20.0.0/16 via Router B, 10.20.5.0/24 via Router C, and 0.0.0.0/0 via Router D. For destination 10.20.5.17, the selected next hop is .

10
Choose one
1 point

How many /26 subnets result when 192.168.10.0/24 is divided into equal-sized /26 subnets?

  1. A

    2

  2. B

    4

  3. C

    8

  4. D

    16

11
Choose all
1 point

Select all functions supported by IPv6 Neighbor Discovery.

  1. A

    Address resolution

  2. B

    Router discovery

  3. C

    Duplicate-address detection

  4. D

    Translation of private IPv4 addresses to public IPv4 addresses

12
Open ended
1 point

Explain how DNS, IP routing, and ARP or IPv6 Neighbor Discovery contribute different functions when a host connects to a service by domain name.

13
Choose one
1 point

A router has selected an outgoing interface and decremented the packet's TTL or Hop Limit. What is the next forwarding action when the next-hop link-layer address is not already known?

  1. A

    Resolve the destination domain name with DNS

  2. B

    Restore the original link-layer header unchanged

  3. C

    Determine the next-hop link-layer address if necessary

  4. D

    Change the IP destination to the next router's address

14
True or false
1 point

True or false: Internet Protocol itself guarantees that every packet will be delivered exactly once and in the original order.

  1. A

    True

  2. B

    False

15
Choose one
1 point

A client needs DNS information identifying a service's protocol, port, and target host. Which record type supplies that information?

  1. A

    A

  2. B

    AAAA

  3. C

    CNAME

  4. D

    SRV

16
Written response
1 point

What IPv6 protocol mechanism resolves a local IPv6 address to link-layer information and also supports router discovery?

17
Choose one
1 point

A service assigns the same IPv6 address to interfaces in several locations so that routing sends each client to one normally closest location. What address type is being used?

  1. A

    Unicast

  2. B

    Anycast

  3. C

    Multicast

  4. D

    Broadcast

18
Choose one
1 point

Which IPv4 address belongs to the private address space reserved for private internets?

  1. A

    172.15.4.1

  2. B

    172.20.4.1

  3. C

    172.32.4.1

  4. D

    173.20.4.1

19
Written response
1 point

Ignoring special-purpose exceptions, how many usable host addresses does an IPv4 /27 subnet ordinarily provide?

20
Choose one
1 point

A router has these entries: 10.0.0.0/8 via Router A, 10.20.0.0/16 via Router B, 10.20.5.0/24 via Router C, and 0.0.0.0/0 via Router D. Where should it send a packet addressed to 10.20.5.17?

  1. A

    Router A via 10.0.0.0/8

  2. B

    Router B via 10.20.0.0/16

  3. C

    Router C via 10.20.5.0/24

  4. D

    Router D via 0.0.0.0/0