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COS2626 Exam pack 2024(Computer Networks I)
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COS2626 Exam pack 2024(Computer Networks I)
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COS2626 EXAMPACK 2024
QUESTIONS AND
ANSWERS
FOR ASSISTANCE CONTACT
EMAIL:gabrielmusyoka940@gmail.com
, lOMoARcPSD|31863004
11/24/22, 9:44 AM COS2626-Exam Oct/Nov 2022: Attempt review
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Started on Thursday, 24 November 2022, 8:02 AM
State Finished
Completed on Thursday, 24 November 2022, 9:42 AM
Time taken 1 hour 40 mins
Question 1
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You are working on a school district’s 802.11n WLAN. Within each school, several access points serve students, teachers, and administrators.
So that users can move about the school with their laptops and not lose network connectivity, each of the access points must share which
one of the following?
Select one:
a. The same beacon frame
b. The same BSS (Basic Service Set)
c. The same channel bonding
d. The same ESSID (Extended Service Identifier)
Question 2
Complete
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Which scanning tool was used to detect a SOHO router's administrative username and password as depicted in the following diagram?
Select one:
a. Nmap
b. Nessus
c. Metasploit
https://cset.myexams.unisa.ac.za/mod/quiz/review.php?attempt=170389&cmid=72566&showall=1 1/23
, lOMoARcPSD|31863004
11/24/22, 9:44 AM COS2626-Exam Oct/Nov 2022: Attempt review
Question 3
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An administrator has added four switches to a campus network. The switch in wiring closet A is only connected to the switch in wiring closet
C. The switch in wiring closet B is connected to the switch in in wiring closet C and wiring closet D. The switch in wiring closet D is only
connected to the switch in wiring closet B. Which one of the following topologies is represented in this design?
Select one:
a. ring
b. star
c. mesh
d. bus
Question 4
Complete
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When an 802.1Q tag is added to an Ethernet frame, where is it placed?
Select one:
a. It is appended to the end of the frame.
b. It is inserted between the destination and the source addresses.
c. It is inserted between the source address and the Ethernet type field.
d. It is inserted between the preamble and the destination address.
Question 5
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Marked out of 1.00
You work for a small fashion design firm. Because of a video that recently went viral, your company has received national recognition. Within
a few days, your web server crashes. What kind of attack most likely caused the crash?
Select one:
a. Phishing
b. Friendly DoS (Denial-of-Service)
c. Spoofing
d. Ransomware
https://cset.myexams.unisa.ac.za/mod/quiz/review.php?attempt=170389&cmid=72566&showall=1 2/23
, lOMoARcPSD|31863004
11/24/22, 9:44 AM COS2626-Exam Oct/Nov 2022: Attempt review
Question 6
Complete
Marked out of 2.00
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Which of the following are common types of DNS (Domain Name System) servers?
Select one or more:
a. forwarding DNS server
b. authoritative DNS server
c. secondary DNS server
d. caching DNS server
e. primary DNS server
f. iterative DNS server
Question 7
Complete
Marked out of 2.00
Which of the following statements regarding SANs (Storage Area Networks) are TRUE?
Select one or more:
a. SANs use one of these technologies: Fibre Channel (FC), FCoE (Fibre Channel over Ethernet), iSCSI (Internet SCSI) or IB (InfiniBand).
b. A SAN abstracts storage services from computer services, and then provides high-speed network services to connect them.
c. SANs are highly scalable and have a very high fault tolerance, massive storage capabilities and fast data access.
d. A SAN cannot be installed in a location separate from the LAN (Local Area Network) it serves.
Question 8
Complete
Marked out of 1.00
A network technician is planning to update the firmware on a router on the network. The technician has downloaded the file from the
vendor's website. Before installing the firmware update, which one of the following steps should the technician perform to ensure file
integrity?
Select one:
a. Download the file a second time and compare the version numbers.
b. Perform a hash on the file for comparison with the vendor's hash.
c. Perform antivirus and anti-malware scans of the file.
https://cset.myexams.unisa.ac.za/mod/quiz/review.php?attempt=170389&cmid=72566&showall=1 3/23
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