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COS2626 Assessment 2
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This module provides an in-depth coverage of the most important concepts in contemporary networking, such as TCP/IP, Ethernet, wireless transmission.
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MENU Dashboard / My courses / COS2626-23-Y / Welcome to COS2626 / Assessment 2
Started on Thursday, 11 May 2023, 11:38 AM
State Finished
Completed on Thursday, 11 May 2023, 9:57 PM
Time taken 10 hours 18 mins
Grade 50.10 out of 60.00 (84%)
Question 1
Partially correct
Mark 0.60 out of 1.00
1. Which of the following are NOT Application layer protocols (More than one protocol applies)?
a. ICMP (Internet Control Message Protocol)
b. TCP (Transmission Control Protocol)
c. DHCP (Dynamic Host Configuration Protocol)
d. UDP (User Datagram Protocol)
e. ARP (Address Resolution Protocol)
f. IP (Internet Protocol) v6
The correct answers are: ICMP (Internet Control Message Protocol), TCP (Transmission Control Protocol), UDP (User Datagram Protocol), ARP
(Address Resolution Protocol), IP (Internet Protocol) v6
Question 2
Correct
Mark 1.00 out of 1.00
2. Which one of the following is a function of the Application layer?
a. Provides frame error detection in the form of a CRC (Cyclic Redundancy Check) code.
b. Routes packets through an internetwork.
c. Protects data with a checksum.
d. Data formatting and translation.
The correct answer is: Data formatting and translation.
,Question 3
Correct
Mark 1.00 out of 1.00
MENU
3. Which one of the following statements regarding e-mail protocols is NOT TRUE?
Dashboard / My courses / COS2626-23-Y / Welcome to COS2626 / Assessment 2
a. E-mail clients use POP3 (Post Office Protocol version 3) to download incoming messages from an e-mail server to their local desktops.
b. POP3 uses TCP (Transmission Control Protocol) port 121.
c. IMAP4 (Internet Message Access Protocol version 4) has the capability to manage messages locally yet store them on a server.
d. IMAP4 uses TCP port 143.
e. POP3 is used to retrieve e-mail and SMTP (Simple Mail Transfer Protocol) is used to send it.
f. SMTP uses TCP port 25.
The correct answer is: POP3 uses TCP (Transmission Control Protocol) port 121.
Question 4
Correct
Mark 1.00 out of 1.00
4. Which protocol uses TCP (Transmission Control Protocol) port 21 for sending control commands?
a. FTP (File Transfer Protocol)
b. ARP (Address Resolution Protocol)
c. IMAP (Internet Message Access Protocol)
d. ICMP (Internet Control Message Protocol)
The correct answer is: FTP (File Transfer Protocol)
Question 5
Correct
Mark 1.00 out of 1.00
5. ________is an Application-layer protocol used to monitor and manage network devices, and operates on ________ ports, ________and ________.
a. DHCP (Dynamic Host Configuration Protocol), TCP (Transmission Control Protocol), 67 and 68
b. SNMP (Simple Network Management Protocol), UDP (User Datagram Protocol), 161 and 162
c. SMTP (Simple Mail Transfer Protocol), TCP, 25 and 26
d. FTP (File Transfer Protocol), UDP, 20 and 21
The correct answer is: SNMP (Simple Network Management Protocol), UDP (User Datagram Protocol), 161 and 162
, Question 6
Incorrect
Mark 0.00 out of 1.00
MENU
6. The first packet in the four-packet exchange between a DHCP (Dynamic Host Configuration Protocol) client and server is the
Dashboard / My
DHCPRequest. courses
Is this / COS2626-23-Y
statement / Welcome to COS2626 / Assessment 2
TRUE or FALSE?
a. True
b. False
The correct answer is: False
Question 7
Correct
Mark 1.00 out of 1.00
7. Which part of the address www.marketing.localdomain.org is the top-level domain name?
a. org
b. www
c. localdomain
d. marketing
The correct answer is: org
Question 8
Correct
Mark 1.00 out of 1.00
8. What does the SRV (Service) record do in a DNS (Domain Name System) zone?
a. Allows DNS clients to request the address of a server that provides a specific service instead of querying the server by name.
b. It identifies the authoritative name server for a domain.
c. It identifies the e-mail server to be used for e-mail traffic for the domain.
d. It holds the alternative names for a host.
The correct answer is: Allows DNS clients to request the address of a server that provides a specific service instead of querying the server by
name.
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