1
The Domain Name System (DNS) is used to map
Correct Answer
domain names to IP addresses
☑ MCQ PRACTICE
Computer Networks Unit 5
Practice objective questions for quick revision and examination preparation. Try answering each question before revealing the answer.
Computer Networks MCQs - Unit 5
2
The DNS name space is organized as a
Correct Answer
hierarchical tree
3
A DNS record that maps a name to an IPv4 address is an
Correct Answer
A record
4
A DNS record that specifies the mail server of a domain is an
Correct Answer
MX record
5
A DNS CNAME record is used for
Correct Answer
an alias name
6
SNMP stands for
Correct Answer
Simple Network Management Protocol
7
The components of SNMP are the manager, the agent and the
Correct Answer
MIB
8
MIB stands for
Correct Answer
Management Information Base
9
Which of the following is an SNMP operation?
Correct Answer
GET
10
SNMP typically runs over
Correct Answer
UDP
11
The protocol used to send email from a client to a server is
Correct Answer
SMTP
12
Which protocols are used to retrieve email from a mailbox?
Correct Answer
POP3 and IMAP
13
MIME is used to
Correct Answer
send non-ASCII data and attachments in email
14
HTTP stands for
Correct Answer
HyperText Transfer Protocol
15
HTTP is
Correct Answer
a stateless protocol
16
Which of the following is an HTTP method?
Correct Answer
GET
17
The HTTP status code 404 means
Correct Answer
Not Found
18
The HTTP status code 200 means
Correct Answer
OK (request succeeded)
19
Cookies are used to
Correct Answer
maintain state information in the stateless HTTP protocol
20
URL stands for
Correct Answer
Uniform Resource Locator
21
HTML is
Correct Answer
a markup language used to create web pages
22
A web cache (proxy) is used to
Correct Answer
reduce response time and network traffic
23
A protocol used to control streaming of audio and video is
Correct Answer
RTSP
24
Jitter in streaming audio and video is smoothed out using
Correct Answer
a playout buffer
25
Streaming differs from downloading because in streaming
Correct Answer
playback can start before the whole file has arrived
Fill in the Blanks
26
DNS stands for ______.
Correct Answer
Domain Name System
27
SNMP stands for ______.
Correct Answer
Simple Network Management Protocol
28
MIB stands for ______.
Correct Answer
Management Information Base
29
A DNS ______ record maps a name to an IPv4 address.
Correct Answer
A
30
A DNS ______ record specifies the mail server of a domain.
Correct Answer
MX
31
SMTP stands for ______.
Correct Answer
Simple Mail Transfer Protocol
32
POP3 stands for ______ Office Protocol version 3.
Correct Answer
Post
33
MIME stands for Multipurpose Internet ______ Extensions.
Correct Answer
Mail
34
HTTP stands for ______.
Correct Answer
HyperText Transfer Protocol
35
The HTTP status code ______ means Not Found.
Correct Answer
404
36
URL stands for Uniform Resource ______.
Correct Answer
Locator
37
HTML stands for ______.
Correct Answer
HyperText Markup Language
38
Cookies are used to maintain ______ in the stateless HTTP protocol.
Correct Answer
state
39
A ______ buffer is used to remove jitter in streaming audio and video.
Correct Answer
playout
40
RTSP stands for Real Time ______ Protocol.
Correct Answer
Streaming