Cisco 648-238 Online Practice Questions and Exam Preparation

Cisco 648-238 Online Questions & Answers

• Question 41:

  Where should outdoor surveillance cameras be mounted when sources of light are nearby?

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

• Question 42:

  A new VSMS server has been added to VSOM, but the storage capacity says "No Repositories." What should you do in order to resolve this?

  A. Restart VSOM
  B. Delete the newly added VSMS server from VSOM, and re-add the server
  C. The HDDs are faulty. Replace the HDDs in the newly added media server
  D. Configure the Local Repositories setting from the VSMC page of the newly added media server
  D. Configure the Local Repositories setting from the VSMC page of the newly added media server

• Question 43:

  Refer to the exhibit.

  

  After you configure a new Cisco IP camera and save the configuration, you notice that under the Device Status tab for the same camera, Overall Status is Enabled: Critical. Despite the status, you can view the camera image and stream the video.

  What is causing the Critical configuration status?

  A. No motion detection window has been set.
  B. The wrong template has been applied to the camera.
  C. The selected resolution is unsupported.
  D. There is a mismatch between the template settings and configurations on the IP camera itself.
  A. No motion detection window has been set.

• Question 44:

  For event integration with a third-party application that supports HTTP triggers, which event type will you most likely use?

  A. Device trigger
  B. Soft trigger
  C. Motion event
  D. Third-party trigger
  B. Soft trigger

• Question 45:

  When configuring an event in Cisco VSOM, which of the following is not a valid configuration option?

  A. Soft Trigger
  B. Analytics Trigger
  C. Time-Based Trigger
  D. Device Trigger
  C. Time-Based Trigger

• Question 46:

  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
  C. QCIF, CIF, D1, HD

• Question 47:

  Refer to the exhibit.

  

  You have installed a Cisco 4500E IP camera to monitor the area of interest near the center of an outdoor courtyard area 24 hours a day. Which three actions help to focus in on the area of interest and improve overall image quality? (Choose three.)

  A. Use a wider angle lens to increase field of view.
  B. Enable Day/Night mode on the camera.
  C. Reposition the camera to minimize exposure of the sky.
  D. Avoid placing the camera near trees and other objects that could obstruct the view.
  E. Enable PTZ functionality to focus on the area of interest.
  B. Enable Day/Night mode on the camera.
  C. Reposition the camera to minimize exposure of the sky.
  D. Avoid placing the camera near trees and other objects that could obstruct the view.

• Question 48:

  You are working with a customer, CSI Industries, to deploy Cisco Video Surveillance at a new branch office. As part of CSI's centralized surveillance network design, IP cameras will stream across the WAN and be recorded by Cisco VSMS at CSI's main data center. IP surveillance cameras will be placed on their own subnet to separate them from other voice and data traffic. CSI's network administrator has allocated this subnet for IP cameras: 172.16.0.0 (subnet mask: 255.255.254.0).

  What is the maximum number of IP cameras that can be placed on this subnet?

  A. 30
  B. 254
  C. 256
  D. 510
  E. 1022
  D. 510

• Question 49:

  Refer to the exhibit.

  

  An operator is trying to log into Cisco VSM, however the login screen does not allow a change to the username (field is greyed out). What is causing this behavior?

  A. The operator is trying to log in on a workstation using an unsupported web browser, which allows only the local administrator to log in.
  B. The VSM system has just been rebooted and the user database has not been loaded yet. Refreshing the web page helps.
  C. The system is running low on resources and the access is temporarily limited to admin personnel only.
  D. The operator is trying to log into Cisco VSMC instead of Cisco VSOM.
  D. The operator is trying to log into Cisco VSMC instead of Cisco VSOM.

• Question 50:

  On a properly qualified client PC that meets workstation requirements, streaming video appears choppy with ghosting artifacts. However, recorded clips that are extracted and saved to the local PC for playback do not display any quality issues.

  What is causing the issue?

  A. H.264 video needs to "settle" in the recording for best quality.
  B. network path congestion, QoS, and/or bandwidth issues
  C. camera problem
  D. video card driver
  B. network path congestion, QoS, and/or bandwidth issues