Computer Networks MCQs with Answers
Practice important Computer Networks MCQs with answers and explanations.
Multiple Choice Questions
Q811: In class A IP addresses, how many octets correspond to the host suffix?
- A: One
- B: Two
- C: Three
- D: Four
View Answer
C
Q812: In class B IP addresses, how many octets are used to represent the host?
- A: One
- B: Two
- C: Three
- D: Four
View Answer
B
Q813: Class C IP addresses use how many octets to represent the host?
- A: One
- B: Two
- C: Three
- D: Four
View Answer
A
Q814: The range of decimal values in the first octet determines the ______ of an IP address.
- A: Class
- B: Subnet mask
- C: Host ID
- D: Network prefix
View Answer
A
Q815: A prefix of n bits allows how many unique network numbers?
- A: 2^n
- B: 2n
- C: n^2
- D: n!
View Answer
A
Q816: A suffix of n bits allows how many host numbers to be assigned on a given network?
- A: 2^n
- B: 2n
- C: n^2
- D: n!
View Answer
A
Q817: Who assigns network numbers to networks?
- A: Internet Service Providers (ISP)
- B: Network administrators
- C: Device manufacturers
- D: Internet Assigned Numbers Authority (IANA)
View Answer
A
Q818: Which authority coordinates with ISPs to assign unique network numbers?
- A: Internet Assigned Numbers Authority
- B: Internet Corporation for Assigned Names and Numbers
- C: IEEE
- D: ICANN
View Answer
A
Q819: When assigning IP addresses in a private TCP/IP network, which class is usually assigned first?
- A: Class A
- B: Class B
- C: Class C
- D: Class D
View Answer
C
Q820: The first step in assigning IP addresses in a physical network is to compute the ultimate size of each physical network and assign a ______.
- A: Host suffix
- B: Prefix
- C: Subnet mask
- D: Default gateway
View Answer
B