CompTIA SK0-004 Online Practice Questions and Exam Preparation

CompTIA SK0-004 Online Questions & Answers

• Question 781:

  A server technician is investigating a potential data breach. It is believed that the breach occurred via telnet access. Which of the following could validate this hypothesis?

  A. Port scanner
  B. Cipher tools
  C. Checksum analyzer
  D. TDR
  A. Port scanner

• Question 782:

  Which of the following authentication protocols could be used to authenticate network administrators at a datacenter to manage switches over a remote SSH connection? (Select TWO).

  A. LDAP
  B. TACACS
  C. RADIUS
  D. SNMP
  E. IPSec
  F. MSCHAP
  B. TACACS
  C. RADIUS

• Question 783:

  A technician is tasked with creating a test system containing non-critical data. The technician has limited hardware, but needs maximum performance. Which of the following RAID levels should the technician use?

  B. 1
  C. 5
  D. 10
  A

• Question 784:

  Which of the following concepts is described as multiple logical subnets traversing the same physical network?

  A. DHCP
  B. VLANs
  C. DMZ
  D. VPNs
  B. VLANs

• Question 785:

  An outside contractor is hired to perform a business impact analysis of a simulated disaster. The contractor asks stakeholders what they think a hurricane would do to the business. This is an inadequate method because:

  A. the question is related to disaster recovery, not impact analysis
  B. the question is subjective and does not represent a complete business impact analysis
  C. it is impossible to perform an impact of anything simulated
  D. hurricanes vary in intensity, so the business impact is always unknown
  B. the question is subjective and does not represent a complete business impact analysis

• Question 786:

  A systems administrator wishes to improve security in a datacenter. The administrator wants to be alerted whenever a hard drive is removed from the server room. Which of the following security measures would BEST accomplish this?

  A. RFID chips
  B. Security cameras
  C. Server and cabinet locks
  D. Mantrap
  E. Proximity reader
  A. RFID chips

• Question 787:

  A technician receives errors that a server's internal temperarture is approaching an unsafe limit. After opening up the chassis, all fans are operational. Which of the following should be checked NEXT ?

  A. Blockage of the cooling system
  B. Fire suppression system
  C. Uninterruptible power supply load
  D. Location of the server
  A. Blockage of the cooling system

• Question 788:

  An administrator is sizing a new server that will run a 1TB database. One of the processor options is the size of the L2 cache. The administrator picks the processor with the least amount of L2 cache. Which of the following is an outcome of this selection?

  A. The processor will be faster with a lower L2 cache, speeding up database access times.
  B. The database will be slower because of a lower amount of cache hits.
  C. Database access does not rely on cache, so there will be no difference in performance.
  D. The cost of the processor will be higher.
  B. The database will be slower because of a lower amount of cache hits.

• Question 789:

  An administrator is securing a network time server by disabling ports. After completing this process, the network time server is not functioning. The administrator should now go back and verify whether which of the following ports is enabled?

  A. 23
  B. 110
  C. 123
  D. 389
  C. 123

• Question 790:

  In an effort to reduce recovery time during hardware failures, a server administrator needs to implement a backup method that will allow for complete OS and service/application recovery as long as compatible hardware is available. Which of the following backup types meets this requirement?

  A. Incremental
  B. Bare metal
  C. Snapshot
  D. Full
  B. Bare metal