CompTIA SK0-004 Online Practice Questions and Exam Preparation

CompTIA SK0-004 Online Questions & Answers

• Question 51:

  An administrator is opening a firewall to allow encrypted communication with a website. Which of the following is the administrator MOST likely to open on the firewall?

  A. TCP:143
  B. UDP:143
  C. TCP:443
  D. UDP:443
  C. TCP:443

• Question 52:

  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.
  A. Telnet sends passwords and keystrokes across the wire in clear text.
  D. SSH encrypts the traffic between the client and the server.

• Question 53:

  Which of the following troubleshooting methods would be performed after resolving an issue?

  A. Verify system connectivity
  B. Implement the solution
  C. Document findings
  D. Establish theory
  C. Document findings

• Question 54:

  A server is connected to a gigabit Ethernet switch and has negotiated 1Gbps / Full Duplex. When transferring large files to and from other servers on the segment via FTP slow performance is noticed. All network cabling, network hardware and server hardware were verified to be working correctly. Which of the following could be done to improve performance?

  A. Decrease the TCP window size.
  B. Increase the UDP window size.
  C. Increase the TCP window size.
  D. Decrease the UDP window size.
  C. Increase the TCP window size.

• Question 55:

  A server technician is applying a security patch to an active-passive failover SQL cluster. However, the cluster must continue to service clients during the process with limited outages. Given this scenario, which of the following should the technician do to adhere to these maintenance requirements?

  A. Failover back to the original active node once the patching is complete
  B. Keep services failed over to passive node once patching is complete
  C. Move services to the active node and repeat for the passive node
  D. Patch the passive node, failover, and patch the other node
  D. Patch the passive node, failover, and patch the other node

• Question 56:

  Which of the following is the number of 7-inch high servers that can be installed in a 42U rack?

  A. 4
  B. 5
  C. 10
  D. 12
  C. 10

• Question 57:

  A system administrator is tasked to setup a database server with failover clustering feature enabled. One of the requirements is to have one database running at all times with data being synchronized and replicated to the idle database in case the primary database server fails. Both servers will be monitored by a witness on a LUN. Which of the following cluster techniques should be implemented to meet these requirements?

  A. Active/Active
  B. Active/Passive
  C. Single Local Quorum
  D. Passive/Passive
  E. Shared Multiple Quorum
  B. Active/Passive

• Question 58:

  Which of the following permissions would enable users to modify files or directories on a server?

  A. Access
  B. Execute
  C. Read
  D. Write
  D. Write

• Question 59:

  An administrator has purchased monitoring software that can be configured to send alerts when hardware and applications are having issues. Which of the following must be installed on the monitoring server so that it can properly monitor details on vendor specific devices?

  A. MIBs
  B. SMTP
  C. WMI
  D. DHCP
  A. MIBs

• Question 60:

  A technician is troubleshooting a server that is inaccessible to customer at a remote site but accessible to customers locally. The only configuration that has changed is the internal IP address. Which of the following still needs to be configured?

  A. DHCP
  B. DNS
  C. Firewall rule
  D. Routing table
  D. Routing table