Computer Networks MCQs with Answers
Practice important Computer Networks MCQs with answers and explanations.
Chapter: 27
Q841:
Mapping between a protocol address and a hardware address is called ________.
A. Address Lookup
B. Address Resolution
C. Address Translation
D. Address Binding
Correct Answer:
B
Chapter: 27
Q842:
A host uses address resolution to send a packet to another computer on the same ________.
A. Local network
B. Remote network
C. Internet
D. Subnet
Correct Answer:
A
Chapter: 27
Q843:
Which of the following is NOT an address resolution technique?
A. Table Lookup
B. Closed-Form Computation
C. Packet Forwarding
D. Message Exchange
Correct Answer:
C
Chapter: 27
Q844:
In the address resolution technique called Table Lookup, the binding is stored in ________.
A. Memory table
B. Cache
C. Register
D. Processor
Correct Answer:
A
Chapter: 27
Q845:
Closed-form computation in address resolution uses ________ and arithmetic operations to compute hardware addresses.
A. Boolean
B. Algebra
C. Logic
D. Predicate
Correct Answer:
A
Chapter: 27
Q846:
The message exchange address resolution technique involves computers sending ________ to resolve addresses.
A. Messages
B. Signals
C. Packets
D. Frames
Correct Answer:
A
Chapter: 27
Q847:
Hashing in address resolution is used to ________.
A. Encrypt data
B. Store protocol addresses
C. Transform strings into fixed-length keys
D. Transmit packets
Correct Answer:
C
Chapter: 27
Q848:
Direct indexing is possible only if protocol addresses are assigned from a ________ range.
A. Compact
B. Random
C. Wide
D. Distributed
Correct Answer:
A
Chapter: 27
Q849:
Hardware Address = ip_address & 0xff is an example of ________ technique.
A. Table Lookup
B. Closed-Form Computation
C. Message Exchange
D. Direct Indexing
Correct Answer:
B
Chapter: 27
Q850:
In a centralized address resolution system, address requests are handled by ________.
A. One or more servers
B. Each computer
C. A router
D. A switch
Correct Answer:
A
Chapter: 27
Q851:
Distributed address resolution relies on ________.
A. All computers participating
B. A central server
C. A router
D. A switch
Correct Answer:
A
Chapter: 27
Q852:
The main disadvantage of centralized address resolution is ________.
A. Possible bottleneck
B. High latency
C. Low security
D. Complex configuration
Correct Answer:
A
Chapter: 27
Q853:
In message exchange address resolution, a request message specifies the ________.
A. Protocol address
B. Hardware address
C. IP address
D. Subnet mask
Correct Answer:
A
Chapter: 27
Q854:
For less than a dozen hosts, a ________ search is sufficient in table lookup.
A. Sequential
B. Binary
C. Hash
D. Indexing
Correct Answer:
A
Chapter: 27
Q855:
Which of the following statements is TRUE?
A. Protocol addresses are hardware addresses
B. Physical network hardware knows protocol addresses
C. Protocol addresses are software abstractions
D. ARP translates hardware addresses to protocol addresses
Correct Answer:
C
Chapter: 27
Q856:
Physical network hardware cannot directly locate a computer from its ________.
A. Protocol address
B. Hardware address
C. IP address
D. MAC address
Correct Answer:
A
Chapter: 27
Q857:
Address resolution is only required when sending packets on the ________.
A. Same physical network
B. Remote network
C. Internet
D. Subnet
Correct Answer:
A
Chapter: 27
Q858:
The table lookup approach is advantageous because of its ________.
A. Generality
B. Simplicity
C. Speed
D. Complexity
Correct Answer:
A
Chapter: 27
Q859:
Hashing is widely used in address resolution for ________.
A. Faster lookup
B. Data encryption
C. Error detection
D. Packet routing
Correct Answer:
A
Chapter: 28
Q860:
ARP stands for ________.
A. Address Routing Protocol
B. Address Resolution Protocol
C. Address Relay Protocol
D. Address Reconfiguration Protocol
Correct Answer:
B