Data Communication MCQs with Answers
Practice important Data Communication MCQs with answers and explanations.
Chapter: 164
Q2401:
PPP divides its responsibilities into how many protocol categories?
A. 1
B. 2
C. 3
D. 4
Correct Answer:
C
Chapter: 164
Q2402:
What role does LCP play in PPP connections?
A. Provides DNS resolution
B. Establishes and manages the link
C. Assigns MAC addresses
D. Encrypts packets
Correct Answer:
B
Chapter: 164
Q2403:
Fill in the blank: LCP helps in ______, configuring, and terminating data-link connections.
A. encrypting
B. authenticating
C. establishing
D. analyzing
Correct Answer:
C
Chapter: 164
Q2404:
Which of these is not one of the three core protocols used in PPP?
A. LCP
B. Authentication
C. NCP
D. ARP
Correct Answer:
D
Chapter: 164
Q2405:
PPP uses LCP for which of the following?
A. Detecting errors in IP
B. Negotiating link parameters
C. Managing TCP ports
D. Routing data packets
Correct Answer:
B
Chapter: 164
Q2406:
Which of the following best describes the function of LCP?
A. Encrypting packets
B. Configuring and maintaining the data link
C. Assigning IP addresses
D. Testing DNS settings
Correct Answer:
B
Chapter: 164
Q2407:
PPP divides its functionality into three protocol sets. Which of the following is one of them?
A. HTTP
B. ICMP
C. LCP
D. SMTP
Correct Answer:
C
Chapter: 164
Q2408:
PPP relies on which protocol to manage the physical layer directly?
A. None
B. LCP
C. IP
D. TCP
Correct Answer:
A
Chapter: 164
Q2409:
Which protocol is responsible for carrying network-layer data in PPP?
A. LCP
B. NCP
C. ARP
D. SMTP
Correct Answer:
B
Chapter: 164
Q2410:
Fill in the blank: PPP protocols work at the ______ layer of the OSI model.
A. Data-Link
B. Network
C. Session
D. Application
Correct Answer:
A
Chapter: 164
Q2411:
Which of the following tasks is not typically performed by LCP?
A. Link termination
B. Flow control testing
C. Link quality testing
D. DNS resolution
Correct Answer:
D
Chapter: 165
Q2412:
Which of the following is a PPP authentication protocol?
A. IPSec
B. SSL
C. PAP
D. SMTP
Correct Answer:
C
Chapter: 165
Q2413:
Fill in the blank: ______ and CHAP are two authentication protocols used in PPP.
A. IPSec
B. PAP
C. TLS
D. SSH
Correct Answer:
B
Chapter: 165
Q2414:
Which PPP authentication protocol uses a two-way handshake?
A. TLS
B. PAP
C. CHAP
D. FTP
Correct Answer:
B
Chapter: 165
Q2415:
Which PPP authentication protocol is more secure due to its challenge-response mechanism?
A. PAP
B. CHAP
C. SMTP
D. NCP
Correct Answer:
B
Chapter: 165
Q2416:
CHAP authentication involves how many steps?
A. 1
B. 2
C. 3
D. 4
Correct Answer:
C
Chapter: 165
Q2417:
Which protocol in PPP uses a challenge and response to authenticate a user?
A. PAP
B. CHAP
C. NCP
D. LCP
Correct Answer:
B
Chapter: 165
Q2418:
Fill in the blank: PAP is ______ than CHAP in terms of security.
A. more secure
B. less secure
C. equal
D. non-functional
Correct Answer:
B
Chapter: 165
Q2419:
CHAP packets are encapsulated inside which type of frame?
A. IP
B. ARP
C. PPP
D. TCP
Correct Answer:
C
Chapter: 165
Q2420:
Which protocol periodically verifies the identity of the peer using a three-way handshake?
A. PAP
B. CHAP
C. IP
D. LCP
Correct Answer:
B