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Network layer – Quiz

Name

1. What is not a characteristic of the network layer?

Transports packets the routers input link to the output link

Encapsulates packets into datagrams

Uses IP protocol

Connection oriented

None

2. Select protocols that are used in the network layer?

TCP

ICMP

UDP

ARP

SSH

3. What is the purpose of subnetting in IPv4?

To increase transmission speed

To divide a large network into smaller, manageable networks

To encrypt data during transmission

To reduce latency in communication

None

4. Which field in an IPv4 datagram header is used for fragmentation and reassembly?

Source IP Address

Time-to-Live (TTL)

Identification, Flags, and Fragment Offset fields

Protocol field

None

5. Which of the following IP ranges is reserved for private use in IPv4?

192.0.0.0/8

172.16.0.0/12

10.0.0.0/20

224.0.0.0/8

None

6. In CIDR notation, what does "/24" indicate about an IPv4 subnet mask?

The first 24 bits are used for host identification.

The subnet contains only 24 usable addresses.

The subnet mask is not defined by this notation.

The first 24 bits are used for network identification.

None

7. Which of the following is not a feature of IPv6?

No checksum in headers

Broadcast addressing

Larger address space than IPv4

Host auto-configuration

None

8. Find the network address of the following IP address.

192.168.153.102/16

9. Calculate the subnet mask of the following IP address.

10.25.10.60/22

10. Apply zero suppression an zero compression to the following IPv6 address.

2001:0db8:1234:0000:0000:0401:0056:0ab8

11. Compress the following IPv6 address.

ff05:0000:0000:0000:0345:0000:0000:0b34

12. Consider the following IP address,

172.16.100.153/20

a) What is the prefix?

b) Find the subnet mask.

c) Find the network address.

d) Find the broadcast address.

Time’s up

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