Cisco CCIT 100-490 Questions & Answers

• Question 41:

  Which Cisco CPAK 100GBASE module supports Multimode Fiber cable?

  A. Cisco CPAK-100G-CWDM4

  B. Cisco CPAK-100G-LR4

  C. Cisco CPAK-100G-ER4L

  D. Cisco CPAK-100G-SR4

  Correct Answer: D

  Reference: https://www.cisco.com/c/en/us/products/collateral/interfaces-modules/transceiver-modules/ data_sheet_c78-728110.html

• Question 42:

  The colored wires at one end of a cable are in reverse sequence to the colored wires at the other end of the cable. Which cable does this configuration describe?

  A. rolled

  B. crossover

  C. coaxial

  D. straight-through

  Correct Answer: B

• Question 43:

  Which two statements about a SmartJack are true? (Choose two.)

  A. It provides signal conversion.

  B. It acts as a concentration point for dial-in and dial-out connections.

  C. It operates at Layer 2 of the OSI model.

  D. It provides channel testing.

  E. It regenerates the signal to compensate for signal degradation from line transmission.

  Correct Answer: AE

• Question 44:

  Which two ports on a laptop are used to gain console access to a Cisco switch? (Choose two.)

  A. DB-9

  B. USB

  C. DVI

  D. RJ-11

  E. RJ-45 Ethernet

  Correct Answer: AB

• Question 45:

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

  A. 16 kbps

  B. 32 kbps

  C. 64 kbps

  D. 128 kbps

  Correct Answer: C

• Question 46:

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

  A. SFP+

  B. GBIC

  C. QSFP+

  D. XFP

  Correct Answer: 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

• Question 47:

  

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

  A. 2 is an RJ-45 to USB Type A console cable.

  B. 3 is a USB Type A port.

  C. 3 is a USB 5-pin mini USB Type B port.

  D. 1 is a USB Type A port.

  E. 2 is a USB 5-pin mini USB Type B to USB Type A console cable.

  Correct Answer: BE

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

• Question 48:

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

  A. consists of a single strand of glass fiber

  B. has higher attenuation that multimode fiber

  C. carries a higher bandwidth that multimode fiber

  D. costs less than multimode fiber

  E. operates over less distance than multimode fiber

  Correct Answer: AC

• Question 49:

  Which two pairs of LAN Ethernet devices use an RJ-45 straight-through cable? (Choose two.)

  A. switch-to-switch

  B. switch-to-router

  C. switch-to-hub

  D. router-to-router

  E. switch-to-server

  Correct Answer: BE

• Question 50:

  What are two standard fiber-optic connectors? (Choose two.)

  A. Lucent

  B. rollover

  C. subscriber

  D. multidimension

  E. crossover

  Correct Answer: AC