CompTIA CompTIA Certifications SK0-004 Questions & Answers

• Question 501:

  A server administrator notices an unauthorized user has made changes to a database server. In which of the following troubleshooting methodologies is the server administrator currently involved?

  A. Test the theory to determine cause.

  B. Establish a theory of probable cause.

  C. Verify full system functionality.

  D. Determine the scope of the issue.

  Correct Answer: D

• Question 502:

  A server administrator wants to work on the servers without removing them from the rack. Which of the following is the administrator MOST likely to need?

  A. Server rail kit

  B. Management module

  C. Redundant PSU

  D. Cable management arms

  Correct Answer: A

• Question 503:

  Which of the following statements best represent the difference between SSH and Telnet? (Choose two.)

  A. Telnet sends passwords and keystrokes across the wire in clear text.

  B. SSH sends passwords and keystrokes across the wire in clear text.

  C. Telnet encrypts the traffic between the client and the server.

  D. SSH encrypts the traffic between the client and the server.

  E. Telnet makes use of UDP port 22.

  F. SSH makes use of UDP port 23.

  Correct Answer: AD

• Question 504:

  A systems administrator is installing and configuring a Linux-based VM. After installing an OS, security patches, and OS hardware, the systems administrator tries to execute the following command:

  sudo su –

  The systems administrator receives a “permission denied” message. Which of the following is MOST likely the reason for this response?

  A. The systems administrator account is not in /etc/passwd.

  B. The systems administrator is a part of a different group.

  C. The systems administrator is a part of the DB group.

  D. The system administrator is not part of the wheel group.

  Correct Answer: A

• Question 505:

  To which of the following components does a technician mount a 1U server in a rack?

  A. Rail kit

  B. Shelf

  C. KVM

  D. Block-off panel

  Correct Answer: A

• Question 506:

  A server administrator completes a full vulnerability scan on servers. The report shows a recent vulnerability exploit when using Telnet. The server administrator cannot take the systems offline without a scheduled maintenance window. Which of the following actions should the administrator recommend to quickly protect the servers from this vulnerability?

  A. Uninstall Telnet from the servers.

  B. Disable port 22 on the firewall.

  C. Disable port 23 on the servers.

  D. Disable port 23 on the firewall.

  Correct Answer: C

• Question 507:

  An administrator is working on a Type 2 hypervisor. The administrator places a virtualized server on the hypervisor and wants it to appear on the same network as the hypervisor itself. Which of the following should the administrator configure?

  A. NAT networking

  B. Bridged networking

  C. Hybrid networking

  D. Virtual networking

  Correct Answer: B

• Question 508:

  A server administrator wants to allow network client computers to register their hosts automatically. Which of the following services should the administrator enable?

  A. FTP

  B. DNS

  C. SMTP

  D. WINS

  Correct Answer: D

• Question 509:

  An administrator has been asked to transfer a large file over the Internet to a customer. The transfer is needed as soon as possible. Which of the following protocols is the administrator MOST likely to use?

  A. SCP

  B. SFTP

  C. FTPS

  D. FTP

  E. HTTP

  F. HTTPS

  Correct Answer: D

• Question 510:

  A 110 Cat 6 patch panel and a switch with MDIX capabilities was just installed in a server closet. A server needs to be connected via Ethernet into port 1 of the switch. Which of the following cable specifications should the system administrator use to connect the server to the switch?

  A. Cat 3 straight-through cable with RJ11 connector

  B. Cat 6 straight-through cable with RJ45 connector

  C. Cat 6, rollover cable with RJ45 connector

  D. Cat6 crossover cable with RJ45 connector

  Correct Answer: B