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CompTIA JK0-023 Exam Syllabus Topics:

CompTIA Network+ certification Sample Questions:

1. Sandy, a technician, decides to upgrade a router before leaving for vacation. While away, users begin to report slow performance. Which of the following practices allows other technicians to quickly return the network to normal speeds?

A) Change management
B) Baselines
C) Asset management
D) Cable management

2. A network is having problems with traffic flowing to several critical websites that are used for necessary company work. Which of the following appliances would BEST handle network traffic to increase network performance?

A) Packet sniffer
B) Caching engine
C) Network based firewall
D) Traffic shaper

3. Which of the following DNS records would be queried to locate a company's mail server?

A) AAAA
B) MX
C) CNAME
D) A

4. A firewall ACL is configured as follows:
10.
Deny Any Trust to Any DMZ eq to TCP port 22
11.
Allow 10.200.0.0/16 to Any DMZ eq to Any
12.
Allow 10.0.0.0/8 to Any DMZ eq to TCP ports 80, 443
13.
Deny Any Trust to Any DMZ eq to Any
A technician notices that users in the 10.200.0.0/16 network are unable to SSH into servers in the DMZ. The company wants 10.200.0.0/16 to be able to use any protocol, but restrict the rest of the 10.0.0.0/8 subnet to web browsing only. Reordering the ACL in which of the following manners would meet the company's objectives?

A) 13, 10, 12, 11
B) 13, 12, 11, 10
C) 11, 10, 12, 13
D) 12, 10, 11, 13

5. A technician just completed a new external website and setup access rules in the firewall. After some testing, only users outside the internal network can reach the site. The website responds to a ping from the internal network and resolves the proper public address. Which of the following could the technician do to fix this issue while causing internal users to route to the website using an internal address?

A) Adjust the proper internal ACL
B) Configure NAT on the firewall
C) Implement a split horizon DNS
D) Place the server in the DMZ

Solutions: