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Ace Your JK0-023 CompTIA Network+ Exam

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Question 28

A network administrator must ensure that both the server and the client are authenticated to the wireless system before access is granted. Which of the following should be implemented to meet this requirement?

Options:

A.

EAP-LEAP

B.

MAC ACL

C.

EAP-TTLS

D.

MS-CHAPv2

Question 29

Which of the following records allows for reverse DNS lookups?

Options:

A.

AAAA

B.

A

C.

PTR

D.

CNAME

Question 30

Which of the following is a reason to use dynamic DNS?

Options:

A.

The host IP address is not listed in the firewall.

B.

The host IP address is assigned by DHCP.

C.

Static routes cannot be used on the host network.

D.

A third-party certificate is being used.

Question 31

A technician has spent most of the day replacing a server running DHCP. Some of the users have begun to call the help desk stating that Internet connection stopped working even after rebooting. Upon investigation, the users’ PCs with issues all have IP addresses that start with 169.254.x.x. The technician completes the replacement and powers on the new DHCP server. Which of the following is the BEST way to provide the PCs with issues a new IP address?

Options:

A.

Statically assign a legitimate IP address, and then set the PCs’ NICs to DHCP

B.

Inform each user to replace 169.254 with 192.168

C.

Wait five minutes until the PC resends a DHCP request

D.

Run netstat on each PC and then reboot into safe mode

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Exam Code: JK0-023
Exam Name: CompTIA Network+ certification
Last Update: Apr 14, 2023
Questions: 1112
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