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