Free 100-490 Exam Braindumps (page: 5)

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Which two features are associated with single-mode fiber-optic cable? (Choose two.)

  1. consists of a single strand of glass fiber
  2. has higher attenuation that multimode fiber
  3. carries a higher bandwidth that multimode fiber
  4. costs less than multimode fiber
  5. operates over less distance than multimode fiber

Answer(s): A,C



Refer to the exhibit.


Which two statements about the hardware components are true? (Choose two.)

  1. 2 is an RJ-45 to USB Type A console cable.
  2. 3 is a USB Type A port.
  3. 3 is a USB 5-pin mini USB Type B port.
  4. 1 is a USB Type A port.
  5. 2 is a USB 5-pin mini USB Type B to USB Type A console cable.

Answer(s): B,E


Reference:

https://www.cisco.com/c/en/us/td/docs/routers/access/2900/hardware/installation/guide/Hardware_Installation_Guide/Install_Connect.html



Which type of transceiver module is used for 40 Gigabit Ethernet connectivity?

  1. SFP+
  2. GBIC
  3. QSFP+
  4. XFP

Answer(s): C


Reference:

https://www.cisco.com/c/en/us/products/interfaces-modules/40-gigabit-modules/index.html#:~:text=The%20Cisco%20QSFP%20BiDi%20transceiver,10%20Gigabit%20Ethernet%20fiber% 20infrastructure



What is the line speed of a DS0 in North America?

  1. 16 kbps
  2. 32 kbps
  3. 64 kbps
  4. 128 kbps

Answer(s): C






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