CompTIA JK0-023 - CompTIA Network+ certification

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CompTIA JK0-023 Exam Syllabus Topics:

CompTIA Network+ certification Sample Questions:

Question 1

Tenants access multiple wireless networks in a building. Users report intermittent connectivity. Which of the following is the MOST likely cause of the problem?

A. The default idle period for logoff is too short and should be changed to a longer limit.
B. The channels are overlapping with other wireless networks and should be changed.
C. The SSIDs are incompatible and should be renamed.
D. The users have incompatible wireless network cards and should upgrade.

Question 2

Which of the following is used to describe trunking VLANs on a network?

A. 802.11i
B. 802.1q
C. 802.1x
D. 802.11a

Question 3

A computer has lost network connectivity. The network technician determines the network cable and the cable drop are both good. Which of the following would the technician use to test the computer's NIC?

A. Throughput tester
B. Loopback plug
C. Multimeter
D. Cable certifier

Question 4

Which of the following attacks would allow an intruder to do port mapping on a company's internal server from a separate company server on the Internet?

A. FTP bounce
B. SYN flood
C. Teardrop
D. Smurf

Question 5

A technician, Joe, has been tasked with assigning two IP addresses to WAN interfaces on
connected routers. In order to conserve address space, which of the following subnet masks should Joe use for this subnet?

A. /30
B. /29
C. /28
D. /24
E. /32

Solutions: