1. Decryption & Encryption of data are the responsibility of the ___ layer.
(A) Physical
(B) Data link
(C) Presentation
(D) Session
(E) Application
Answer :- (C) Presentation
2. LANs can be connected by devices called ____ which operate in the data link layer?
(A) Hub
(B) Bridges
(C) HDLC
(D) Tunnel
(E) None of these
Answer :- (B) Bridges
Click here to read more.....
No comments:
Post a Comment