Computer Networks MCQs with Answers
Practice important Computer Networks MCQs with answers and explanations.
Chapter: 24
Q801:
The class of an IP address determines the ______ between the network prefix and suffix.
A. Size
B. Boundary
C. Protocol
D. Encryption
Correct Answer:
A
Chapter: 24
Q802:
IP address classes were originally created to define boundaries between
A. Network prefix and suffix
B. Host name and domain
C. IP and MAC address
D. Port and protocol
Correct Answer:
A
Chapter: 24
Q803:
Each physical network in the Internet is assigned a unique ______.
A. Network number
B. Subnet mask
C. Host suffix
D. IP address
Correct Answer:
A
Chapter: 24
Q804:
Which part of the IP address is reused on multiple networks?
A. Network prefix
B. Suffix
C. Subnet mask
D. Port number
Correct Answer:
B
Chapter: 24
Q805:
An IP address is a unique ______ number assigned to a host.
A. 32-bit
B. 16-bit
C. 128-bit
D. 64-bit
Correct Answer:
A
Chapter: 24
Q806:
The ______ identifies the physical network to which computers are attached.
A. Suffix
B. Prefix
C. Subnet mask
D. Host ID
Correct Answer:
B
Chapter: 24
Q807:
The ______ identifies an individual computer on the network.
A. Prefix
B. Host suffix
C. Port
D. Subnet mask
Correct Answer:
B
Chapter: 25
Q808:
How does IP software determine the class of an IP address?
A. By network prefix
B. By network suffix
C. By the address itself
D. By subnet mask
Correct Answer:
C
Chapter: 25
Q809:
What notation uses dots to separate four decimal numbers representing each octet of a 32-bit IP address?
A. Binary notation
B. Hexadecimal notation
C. Dotted decimal notation
D. Octal notation
Correct Answer:
C
Chapter: 25
Q810:
In dotted decimal notation, how many octets are used to represent an IP address?
A. 2
B. 4
C. 8
D. 16
Correct Answer:
B
Chapter: 25
Q811:
In class A IP addresses, how many octets correspond to the host suffix?
A. One
B. Two
C. Three
D. Four
Correct Answer:
C
Chapter: 25
Q812:
In class B IP addresses, how many octets are used to represent the host?
A. One
B. Two
C. Three
D. Four
Correct Answer:
B
Chapter: 25
Q813:
Class C IP addresses use how many octets to represent the host?
A. One
B. Two
C. Three
D. Four
Correct Answer:
A
Chapter: 25
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
Correct Answer:
A
Chapter: 25
Q815:
A prefix of n bits allows how many unique network numbers?
A. 2^n
B. 2n
C. n^2
D. n!
Correct Answer:
A
Chapter: 25
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!
Correct Answer:
A
Chapter: 25
Q817:
Who assigns network numbers to networks?
A. Internet Service Providers (ISP)
B. Network administrators
C. Device manufacturers
D. Internet Assigned Numbers Authority (IANA)
Correct Answer:
A
Chapter: 25
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
Correct Answer:
A
Chapter: 25
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
Correct Answer:
C
Chapter: 25
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
Correct Answer:
B