[Free] 2018(June) Dumps4cert CompTIA JK0-023 Dumps with VCE and PDF Download 421-430

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CompTIA Network certification

Question No: 421 – (Topic 4)

Which of the following could Karen, a network technician, use to find the approximate location of a break in a long network cable?

  1. Protocol analyzer

  2. Time domain reflectometer

  3. Toner probe

  4. Multimeter

Answer: B

Question No: 422 – (Topic 4)

A technician has traced a POTS line to a 110 block. Which of the following devices would the technician MOST likely use to see if the line carries a dial tone?

  1. Toner Probe

  2. Punch Down Tool

  3. Protocol Analyzer

  4. Butt Set

Answer: D

Question No: 423 – (Topic 4)

Which of the following network protocols would be used to transmit traps across a network to a log server?

  1. SMTP

  2. PPPoE

  3. POP3

  4. SNMP

Answer: D

Question No: 424 – (Topic 4)

Which of the following is used to filter outgoing network requests?

  1. Proxy server

  2. VPN concentrator

  3. DHCP server

  4. IIS server

Answer: A

Question No: 425 – (Topic 4)

DNS lookups for a given host are intermittently failing. Which of the following would Kim, a technician, MOST likely use to verify this problem?

  1. arp

  2. nbtstat

  3. traceroute

  4. dig

Answer: D

Question No: 426 – (Topic 4)

Kurt, a network administrator, is tasked with simplifying the review of events from network devices. Which of the following is used to accomplish this?

  1. History logs

  2. Event logs

  3. Syslog server

  4. Traffic analyzer

Answer: C

Question No: 427 – (Topic 4)

A network administrator is reviewing logs and notices that a device with a public IP address is trying to access the web server RDP port. Which of the following tools can be used to resolve the domain of the public IP address?

  1. arp

  2. nslookup

  3. ipconfig

  4. netstat

Answer: B

Question No: 428 – (Topic 4)

Which of the following utilities would Karen, a technician, use to resolve the FQDN of a web server to its IP address?

  1. netstat

  2. route

  3. nslookup

  4. arp

Answer: C

Question No: 429 – (Topic 4)

Which of the following would Karen, a technician, do to monitor remote traffic through an access point?

  1. Enable an SNMP agent

  2. Enable network mapping

  3. Set monitoring SSID

  4. Select WPA2

Answer: A

Question No: 430 – (Topic 4)

Which of the following performance benefits would multiple domain controllers BEST provide?

  1. Fault tolerance

  2. Caching engine

  3. Proxy server

  4. Quality of service

Answer: A

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