Free 648-238 Braindumps


  • Exam Number: 648-238
  • Provider: Cisco®
  • Questions: 154
  • Updated On: 19-Sep-2020

QUESTION: 1
Order the following resolutions, by pixel count, from lowest to highest.

A. D1, HD, QCIF, CIF
B. D1, CIF, 4CIF, HD
C. QCIF, CIF, D1, HD
D. QCIF, D1, CIF, HD

Answer(s): C
QUESTION: 2
What are the two differences between interlaced and progressive scan video? (Choose two.)

A. Progressive scan video is generally better with fast-moving objects
B. Interlaced video is generally better with fast-moving objects
C. Interlaced video is constructed out of alternating odd and even lines
D. Progressive scan video is constructed out of alternating odd and even lines

Answer(s): A, C
QUESTION: 3
Where should outdoor surveil ance cameras be mounted when nearby sources of light are
present?

A. The camera should be mounted lower than the light source.
B. The camera should be mounted in parallel with the nearest light source.
C. The camera should be mounted above the light source.
D. Location does not matter, as long as the camera is day/night capable.

Answer(s): A
QUESTION: 4
What is the correct camera and lens setup for the use of IR lighting?

A. Color camera with IR corrected lens
B. A camera with day/night mode and IR corrected lens
C. A camera with day/night mode and varifocal lens
D. Color camera with varifocal lens

Answer(s): B
QUESTION: 5
Which switch port capability is recommended for an MSP server?

A. Server switch ports should have 10/100 Mb capability
B. Server switch ports should have 1000 Mb capability
C. Server switch ports should have 10 Gb capability


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