What determines the class of an IP address?
A. the number of bits in the host field
B. the subnet mask
C. the most significant bit (MSB) pattern
D. the third octet
Which IP address can be used by a host to establish an IP connection to itself for testing purposes?
A. 127.0.0.1
B. 1.1.1.1
C. 0.0.0.0
D. 255.255.255.255
To what class of IP address does the address 172.16.1.10 belong?
A. Class A address
B. Class B address
C. Class D address
D. Class C address
The IP address 191.168.0.252 belongs to which class of IP address?
A. Class A
B. Class B
C. Class C
D. unclassified
What is the maximum number of hosts that a Class B network can have?
A. 254
B. 32,766
C. 65,534
D. 16,777,214
Which one of the following options is the mechanism that identifies the separation point of network addressing and host addressing?
A. the dotted decimal notation
B. the subnet mask
C. the wildcard mask
D. the partial mask
Which one of the following IP header fields helps prevent routing loops?
A. options
B. flag
C. time to live
D. identification
Which field in the IP header represents the sender's logical address?
A. destination MAC address field
B. source IP address field
C. destination IP address field
D. source MAC address field
Which field in the IP header is decremented by every router it passes through?
A. the TOS field
B. the TTL field
C. the Options field
D. the Control bits field
How many bits does an IPv4 address have?
A. 16
B. 32
C. 48
D. 64
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