Link Layer Communication - Networking test
1) Which protocol uses common transfer modes that can be used in different configurations: Normal Response mode (NRM) and asynchronous balanced mode (ABM?)
A) ICMP
B) SDLC
C) SLIP
D) HDLC
View Answer / Hide Answer2) Which of these in TCP is achieved through the use of three simple tools: checksum, acknowledgment, and time-out?
A) Error detection and correction.
B) Error detection
C) Error correction
D) None of the above
View Answer / Hide AnswerANSWER: Error detection and correction.
3) In which we need to know the exact number of bits that are corrupted and more importantly, their location in the message.
A) Error detection
B) Error correction
C) Error control
D) None of the above
View Answer / Hide Answer4) Framing in the data link layer separates a message from one source to a destination, or from other messages going from other sources to other destinations?
A) True
B) False
View Answer / Hide Answer5) In which type of framing, we need a delimiter (flag) to define the boundary of two frames.
A) variable-size framing
B) Fixed-size framing
C) Both A & B
D) None of the above
View Answer / Hide AnswerANSWER: variable-size framing
6) Which refers to a set of procedures used to restrict the amount of data that the sender can send before waiting for acknowledgment?
A) Flow control
B) Error control
C) Congestion control
D) Traffic control
View Answer / Hide Answer7) Which of the data link layer is based on automatic repeat request, which is the retransmission of data?
A) Flow control
B) Error control
C) Traffic control
D) Congestion control
View Answer / Hide Answer8) Which is known as bit-oriented protocol?
A) HDLC
B) PPP
View Answer / Hide Answer9) Select the correct IPCP packet for the given code value Ox03?
A) Configure-nak
B) Configure-reject
C) Terminate-request
D) Terminate-ack
View Answer / Hide Answer10) Which frames are used to transport user data and control information relating to user data (piggybacking)?
A) I-frames
B) S-frames
C) V-frames
D) None of the above
View Answer / Hide Answer11) Which does not provide a sophisticated addressing mechanism to handle frames in a multipoint configuration?
A) HDLC
B) PPP
C) IPCP
D) LCP
View Answer / Hide Answer12) Internet users who need to connect their home computers to the server of an Internet service provider use?
A) PPP
B) LCP
C) HDLC
D) IPCP
View Answer / Hide Answer13) An error-detecting code can detect only the types of errors for which it is designed; other types of errors may remain undetected.
A) True
B) False
View Answer / Hide Answer14) In which the receiver needs to know only that the received code word is invalid?
A) Error Detection
B) Error Correction
C) Error Control
D) Both A & B
View Answer / Hide Answer15) In a linear block code, the exclusive OR (XOR) of any two valid code words creates another valid code word.
A) True
B) False
View Answer / Hide Answer16) Which protocol is responsible for establishing, maintaining, configuring, and terminating links?
A) Link control protocol
B) Password authentication protocol
C) Challenge handshake authentication protocol
D) Point to point protocol
View Answer / Hide AnswerANSWER: Link control protocol
