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2018 Aug CompTIA Official New Released JK0-023
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CompTIA Network certification

Question No: 391 – (Topic 4)

Zach, a new network technician, is monitoring network traffic and notices the network is operating at 80% of capacity. Which of the following could be used to determine if this is abnormally high traffic use?

1. Network maps

2. Cable management documentation

3. Wire schemes

4. Baseline

Answer: D

Question No: 392 – (Topic 4)

Which of the following reasons would MOST likely be used to implement QoS and traffic shaping solutions?

1. Redundancy

2. Fault tolerance

3. Unified communications

4. Data integrity requirements

Answer: C

Question No: 393 – (Topic 4)

Which of the following VPN methods is BEST used for connecting a remote office to the main company office?

1. WEP-to-WPA

2. RDP-to-RAS

3. Client-to-site

4. Site-to-site

Answer: D

Question No: 394 – (Topic 4)

Kim, a technician, needs to test if domain name resolution is functioning properly. Which of the following software tools would she use to accomplish this? (Select TWO).

1. arp

2. dig

3. route

4. nslookup

5. netstat

Answer: B,D

Question No: 395 – (Topic 4)

A server that filters traffic between a WAN and a LAN is which of the following?

1. Proxy server

2. RAS server

3. Default gateway

4. Email server

Answer: A

Question No: 396 – (Topic 4)

Which of the following would MOST likely be used by a network administrator to test DNS resolution?

1. dig

2. ipconfig

3. netstat

4. nbtstat

Answer: A

Question No: 397 – (Topic 4)

A company has been just opened a new site in another country. Both sites share information across the WAN continuously throughout the business day. Which of the following should be implemented to ensure both sites are accessible?

1. Traffic shaping

2. QoS

3. Caching engines

4. High availability

Answer: D

Question No: 398 – (Topic 4)

A switch in IDF 3 has shut down at 3 p.m. everyday this week. Which of the following network tools should Kim, a technician, use to troubleshoot this problem?

1. Environmental monitor

2. Cable tester

3. TDR

4. Loopback plug

Answer: A

Question No: 399 – (Topic 4)

An administrator edits the network firewall configuration. After editing the configuration, the administrator logs the date and time of the edit and why it was performed in the firewall documentation. Which of the following BEST describes these actions?

1. Asset management

2. Baselines

3. Network maps

4. Change management

Answer: D

Question No: 400 – (Topic 4)

Which of the following performance optimization techniques would be MOST beneficial for a network-wide VoIP setup? (Select TWO).

1. Proxy server

2. Traffic shaping

3. Caching engines

4. Load balancing

5. Quality of service

Answer: B,E

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