Question: IP provides:
Answer Choices:
Error-free delivery
Priority delivery
Guaranteed delivery
Best effort delivery
Answer: Best effort delivery
Question: Non-routable addresses are useful because:
Answer Choices:
They enable automatic assignment of IP addresses
They enable translation of host names to IP addresses
They enable IP address reuse
They are reserved for academic use
Answer: They enable IP address reuse
Question: Route aggregation:
Answer Choices:
Slows down routing
Increases the size of routing tables
Combines multiple smaller IP address blocks into one larger IP address block
Deletes unused destination addresses from the routing table
Answer: Combines multiple smaller IP address blocks into one larger IP address block
Question: One character in the hexadecimal notation represents ______ bits.
Answer Choices:
2
4
6
8
Answer: 4
Question: All of the following are advantages of route aggregation, except:
Answer Choices:
It can simplify network administration
It reduces the number of hops required to reach a destination
Answer: It reduces the number of hops required to reach a destination
Question: Using CIDR, and organization that needs 2,000 IP addresses is best served by a:
Answer Choices:
/22 address block
/24 address block
/21 address block
/20 address block
Answer: /21 address block
Question: Broadcast is used to transfer data across the Internet:
Answer Choices:
True
False
Answer: False
Question: The common packet format that can be transferred by any networking technology and that serves all applications is defined at the ______ layer.
Answer Choices:
Transport layer
Application layer
Data link layer
Network layer
Answer: Network layer
Question: A routing metric for a route is a measure of:
Answer Choices:
The cost of sending packets through the route
The cost of building the network route
The rental fee for using the network route
The cost of operating the network route
Answer: The cost of sending packets through the route
Question: Network address translation is the method of:
Answer Choices:
Allocating IP addresses automatically
Translating host names to IP addresses
Mapping IP addresses from one address block to another address block
Allocating IP address blocks to ISPs
Answer: Mapping IP addresses from one address block to another address block
Question: The time to live field of an IP packet indicates:
Answer Choices:
The remaining life of the packet in network hops.
The announced life of the packet by the source.
The number of routers encountered by the packet during its journey.
The remaining life of the packet in seconds.
Answer: The remaining life of the packet in network hops.