CompTIA CompTIA Certifications JK0-023 Questions & Answers

• Question 561:

  Users are reportng that all of a sudden some of the fles stored on the remote fle server share are becoming corrupted and cannot be opened. A technician is dispatched to the server room to troubleshoot. The technician verifes that no

  changes to the network infrastructure occurred recently. Which of the following tools is MOST likely to reveal why fles are becoming corrupted?

  A. Environmental monitor

  B. OTDR

  C. Cable tester

  D. Punch down tool

  Correct Answer: A

• Question 562:

  A company has a server with redundant power supplies. Which of the following is this an example of?

  A. Trafc shaping

  B. Caching engines

  C. Fault tolerance

  D. Load balancing

  Correct Answer: C

• Question 563:

  A network administrator is reviewing logs and notces 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?

  A. arp

  B. nslookup

  C. ipconfg

  D. netstat

  Correct Answer: B

• Question 564:

  Users are reportng a large decrease in network performance. Afer further investgatonf the network administrator notces large amounts of trafc coming from a specifc IP address. The network administrator needs to identfy the payload of the network trafc. Which of the following could be used to collect that informaton?

  A. ipconfg

  B. ping

  C. snifer

  D. route

  Correct Answer: C

• Question 565:

  An applicaton is using port 2000 on a PC. Which of the following could an administrator do to determine what sofware is listening on that port?

  A. Run netstat

  B. Run dig

  C. Run nbtstat

  D. Run tracert

  Correct Answer: A

• Question 566:

  A network technician has been asked to look into a report from the IDS to determine why trafc is being sent from an internal FTP server to an external website. Which of the following tools can be used to inspect this trafc?

  A. Router frewall

  B. Ping and traceroute

  C. Throughput tester

  D. Protocol analyier

  Correct Answer: D

• Question 567:

  A technician is unable to easily trace physical connectons within a network rack. Which of the following practces would save tme in the future?

  A. Change management

  B. Cable management

  C. Asset management

  D. Setng baselines

  Correct Answer: B

• Question 568:

  A company is experiencing a denial of service atack and wants to identfy the source IP address of the atacker in real tme. Which method is the BEST way to accomplish this?

  A. Network snifer

  B. Syslog

  C. SNMPv3

  D. System logs

  Correct Answer: A

• Question 569:

  A security appliance is blocking a DDoS atack on the network. Which of the following logs would be used to troubleshoot the trafc paterns trying to go across the network?

  A. IPS logs

  B. Applicaton logs

  C. IDS logs

  D. History logs

  Correct Answer: A

• Question 570:

  A userns computer is unable to access the Internet. Which of the following utlites can a technician use to determine if DNS is working?

  A. nbstat

  B. arp

  C. nslookup

  D. ipconfg

  Correct Answer: C