(A) 255.0.0.0
(B) 255.255.0.0
(C) 255.255.255.0
(D) 255.255.192.0
Store and forwarding mechanism is used in?
(A) Data Gram Switching
(B) Circuit Switching
(C) Message Switching
(D) Packet Switching
Which ISO level is more closely related to the physical communication facilities?
(A) Network
(B) Data link
(C) Session
(D) Application
Which of the following uses UDP as the transport protocol?
(A) Telnet
(B) http
(C) DNS
(D) SMTP
An http request contain how many parts?
(A) 2
(B) 3
(C) 4
(D) 5
IP address 135.0.10.27 belongs to address class?
(A) Class A
(B) Class B
(C) Class C
(D) Class D
A bad trip means?
(A) An unpleasant drug experience
(B) To be unsuccessful
(C) To lose money
(D) None of the above
Someone has tampered __ the official record.
(A) off
(B) to
(C) of
(D) with