1. How many usable host IP addresses are there in a Class B network with a subnet mask of 255.255.240.0?

• 510
• 1022
• 2046
• 4094

Answer :- d

2. Which routing plane is responsible for exchanging routing information with neighbouring routers?

• Data plane
• Management plane
• Control plane
• Forwarding plane

Answer :- c

3. Which of the following statements is/are FALSE?

• The control plane operation involves routing table construction.
• The datapath operation is routing table construction.
• The control plane functions are performed on each arriving individual packet.
• Datapath functions like output link scheduling and forwarding decisions are not performed on every datagram that passes through the router.

Answer :- a, b, c, d

4. A network with the IP address 192.168.30.0/24. How many bits represent the host in this IP prefix?

• 4 bits
• 8 bits
• 16 bits
• 28 bits

Answer :- b

5. Which of the following is not a component commonly found in line cards?

• Network Processor
• Traffic Manager
• Central Processing Unit
• Router Controller

Answer :- d

6. What is the primary function of Switch Fabric in a network switch?

• Assigning IP addresses to devices
• Forwarding data between input and output ports
• Address resolution
• Managing network security

Answer :- b

7. What is the role of an arbitrator in the context of Packet Arbitration in a switch?

• To resolve output port contention among the input ports
• To encrypt and decrypt packets for secure transmission
• To store routing tables for efficient packet routing
• To manage power consumption in the switch fabric

Answer :- a

8. What is a specific task performed during Egress operations in packet forwarding?

• Consult FIB and determine O/P interface
• Checksum Calculation
• Add link layer header
• Decrementing TTL

Answer :- c

9. As a network administrator, your task is to assign IP addresses to hosts in the 200.172.10.0/26 subnet. In this subnet, only a specific range of IP addresses is designated for host assignment. Your task is to identify the two assignable IP addresses from the given options that reside in this subnet.

• 200.172.10.0
• 200.172.10.32
• 200.172.10.62
• 200.172.10.63

Answer :- b, c

10. What does traffic access control involve in the context of the Traffic Manager (TM)?

• Modulating/Demodulating data streams for improved throughput
• Controlling access to the network infrastructure
• Shaping data streams by reducing rates and burstiness
• Routing packets based on IP addresses

Answer :- c