Practice Exam Test Questions
Choose the letter of the best answer in each questions.
1. When both sender and receiver are connected to a mail server via a LAN or a WAN, we need ___________________.
A) two UAs, two pairs of MTAs, and a pair of MAAs
B) two UAs, and two pairs of MTAs
C) two UAs, two pairs of MTAs, and two pairs of MAAs
D) none of the above
Answer: Option A
Solution:
2. The actual mail transfer is done through ____________.
A) UAs
B) MTAs
C) MAAs
D) none of the above
Answer: Option B
Solution:
3. If the sender wants an option enabled by the receiver, it sends a _______ command.
A) WILL
B) DO
C) WONT
D) none of the above
Answer: Option B
Solution:
4. When the sender is connected to the mail server via a LAN or a WAN, we need ______________.
A) two MTA
B) two UAs and two pairs of MTAs
C) two UAs and a pair of MTAs
D) none of the above
Answer: Option B
Solution:
5. The ________ usually contains the sender address, the receiver address, and other information.
A) message
B) envelope
C) both a and b
D) none of the above
Answer: Option B
Solution:
6. NVT uses two sets of characters, one for _____and one for __________.
A) sending; receiving
B) request; reply
C) data; control
D) none of the above
Answer: Option C
Solution:
7. In FTP, ASCII, EBCDIC, and image define an attribute called _______.
A) file type
B) data structure
C) transmission mode
D) none of the above
Answer: Option A
Solution:
8. The third stage in an email transfer needs a ________ protocol.
A) pull
B) push
C) both a and b
D) none of the above
Answer: Option A
Solution:
9. _______ is the standard mechanism provided by TCP/IP for copying a file from one host to another.
A) TELNET
B) SMTP
C) TFTP
D) none of the above
Answer: Option D
Solution:
10. In the _______ mode, each character typed is sent by the client to the server.
A) default
B) character
C) line
D) none of the above
Answer: Option B
Solution:
11. The _______ is software residing on the remote system that allows the remote system to receive characters from a TELNET server.
A) terminal driver
B) pseudoterminal driver
C) TELNET client
D) none of the above
Answer: Option B
Solution:
12. FTP uses the services of ________.
A) UDP
B) IP
C) TCP
D) none of the above
Answer: Option C
Solution:
13. For the control connection, FTP uses the __________ character set.
A) regular ASCII
B) EBCDIC
C) NVT ASCII
D) none of the above
Answer: Option C
Solution:
14. In FTP, when we _______, it is copied from the client to the server.
A) retrieve a file
B) store a file
C) retrieve a list
D) none of the above
Answer: Option B
Solution:
15. During an FTP session the data connection is opened _______.
A) exactly once
B) exactly twice
C) as many times as necessary
D) none of the above
Answer: Option C
Solution:
16. In FTP, _______ is the service type used by the IP protocol because this is an interactive connection between a user (human) and a server.
A) maximize throughput
B) minimize delay
C) minimize error
D) none of the above
Answer: Option B
Solution:
17. When a user wants to access an application program or utility located on a remote machine, he or she performs ___________ login.
A) local
B) remote
C) temporary
D) none of the above
Answer: Option B
Solution:
18. The third stage in an email transfer uses a(n) ________ protocol.
A) UA
B) MTA
C) MAA
D) none of the above
Answer: Option C
Solution:
19. TELNET uses only one TCP connection. The server uses ________ port and the client uses ________ port.
A) a well-known; another well-known
B) an ephemeral; another ephemeral
C) a well-known; an ephemeral
D) none of the above
Answer: Option C
Solution:
20. For control, NVT uses US ASCII characters with the highest order bit set to ______.
A) 1
B) 0
C) a or b
D) none of the above
Answer: Option A
Solution:
21. The formal protocol that defines the MTA client and server in the Internet is called ___________.
A) SMTP
B) SNMP
C) TELNET
D) none of the above
Answer: Option A
Solution:
22. _________ is a supplementary protocol that allows non-ASCII data to be sent through email.
A) JPEG
B) MPEG
C) MIME
D) none of the above
Answer: Option C
Solution:
23. Which of the following services is not provided by a UA?
A) composing messages
B) reading messages
C) replying messages
D) all are
Answer: Option D
Solution:
24. If the sender wants to enable an option, it sends a _______ command.
A) WILL
B) DO
C) WONT
D) none of the above
Answer: Option A
Solution:
25. In FTP, when we _______, it is copied from the server to the client.
A) retrieve a file
B) retrieve a list
C) a and b
D) none of the above
Answer: Option C
Solution:
26. TELNET is an abbreviation for ____________.
A) terminal network
C) telecommunication network
D) none of the above
Answer: Option A
Solution:
27. When a user logs into a local time-sharing system, it is called ________ login.
A) local
B) remote
C) temporary
D) none of the above
Answer: Option A
Solution:
28. Which part of the mail created by the UA contains the sender and receiver names?
A) envelope
B) address
C) header
D) none of the above
Answer: Option C
Solution:
29. ________ is part of a local hard drive, a special file with permission restrictions.
A) A message
B) A response
C) An agent
D) none of the above
Answer: Option D
Solution:
30. ________ provides service to the user to make the process of sending and receiving a message easier.
A) An MTA
B) An MAA
C) A UA
D) none of the above
Answer: Option C
Solution:
31. The message contains the ________ and the __________.
A) header; envelop
B) header; body
C) envelop; body
D) none of the above
Answer: Option B
Solution:
32. In the ____ mode, line editing (echoing, character erasing, line erasing, and so on) is done by the client.
A) default
B) character
C) line
D) none of the above
Answer: Option C
Solution:
33. The MIME _______ header uses text to describe the type of data in the body of the message.
A) content-type
B) content-transfer-encoding
C) content-description
D) none of the above
Answer: Option C
Solution:
34. If the sender wants to disable an option, it sends a _______ command.
A) WILL
B) DO
C) WONT
D) none of the above
Answer: Option C
Solution:
35. SMTP is a __________protocol.
A) pull
B) push
C) both a and b
D) none of the above
Answer: Option B
Solution:
36. In FTP, there are three types of _______: stream, block, and compressed.
A) file types
B) data structures
C) transmission modes
D) none of the above
Answer: Option C
Solution:
37. For data, NVT uses US ASCII characters with the highest order bit set to ______.
A) 1
B) 0
C) a or b
D) none of the above
Answer: Option B
Solution:
38. The _______ translates NVT characters into a form acceptable by the remote operating system.
A) terminal driver
B) TELNET client
C) TELNET server
D) none of the above
Answer: Option C
Solution:
39. When the sender and the receiver of an email are on the same system, we need only ___________.
A) one UA
B) two UAs
C) one UA and one MTA
D) none of the above
Answer: Option B
Solution:
40. In the Internet, the email address consists of two parts: a _______ and a _______.
A) local part; domain name
B) global part; domain name
C) label; domain name
D) none of the above
Answer: Option A
Solution:
41. To distinguish data from control characters, each sequence of control characters is preceded by a special control character called ________.
A) ICA
B) IAC
C) AIC
D) none of the above
Answer: Option B
Solution:
42. When the sender and the receiver of an email are on different systems, we need only _____________.
A) one MTA
B) two UAs
C) two UAs and one pair of MTAs
D) none of the above
Answer: Option C
Solution:
43. During an FTP session the control connection is opened _______.
A) exactly once
B) exactly twice
C) as many times as necessary
D) none of the above
Answer: Option A
Solution:
44. If the sender wants an option disabled by the receiver, it sends a _______ command.
A) WILL
B) DO
C) DONT
D) none of the above
Answer: Option C
Solution:
45. The _______ translates local characters into NVT form.
A) terminal driver
B) TELNET client
C) TELNET server
D) none of the above
Answer: Option B
Solution:
46. Currently two message access protocols are available: _______ and _________.
A) POP3; IMAP2
B) POP4; IMAP1
C) POP3; IMAP4
D) none of the above
Answer: Option C
Solution:
47. TELNET is a ________ client-server application program.
A) specific-purpose
B) general-purpose
C) both a and b
D) none of the above
Answer: Option B
Solution:
48. In FTP, a file can be organized into records, pages, or a stream of bytes. These are types of an attribute called _______.
A) file types
B) data structures
C) transmission modes
D) none of the above
Answer: Option B
Solution:
49. The process of transferring a mail message occurs in ________ phases.
A) two
B) four
C) five
D) none of the above
Answer: Option D
Solution:
50. In FTP, the well-known port ____ is used for the control connection and the well-known port ________ for the data connection.
A) 21; 22
B) 21; 20
C) 20; 21
D) none of the above
Answer: Option B
Solution:
51. In the _______ mode, the echoing is done by the client.
A) default
B) character
C) line
D) none of the above
Answer: Option A
Solution:
52. There are two types of user agents: _________ and ___________.
A) command-driven; data-driven
B) command-driven; GUI-based
C) command-based and data-based
D) none of the above
Answer: Option B
Solution:
53. _______ is more powerful and complex than _______.
A) POP3; IMAP4
B) IMAP4; POP3
C) SMTP; POP3
D) none of the above
Answer: Option B
Solution:
NEXT: MCQ in WWW and HTTP
Complete List of Chapter Quiz in Data Communications and Networking
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MCQ in Remote Logging, Electronic Mail, and File Transfer (pdf)
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