100-490 Exam - Supporting Cisco Routing & Switching Network Devices

NEW QUESTION 1
Which device is a DTE device?

• A. CSU/DSU
• B. router
• C. cable modem
• D. DSL modem

Answer: B

NEW QUESTION 2
Which command displays information about the carrier network, cell site, and available service?

• A. show cellular unit network
• B. show cellular unit radio
• C. show cellular unit hardware
• D. show cellular unit profile

Answer: A

NEW QUESTION 3
The pins on an RJ-45 cable plug are numbered from 1 through 8. When the metal pins of the plug are facing toward you, pin 1 is the leftmost pin. Which two sets of pins are looped on an RJ-45 56K loopback plug? (Choose two.)

• A. pins 2 and 7 B.pins 2 and 8
• B. pins 2 and 5 D.pins 1 and 7
• C. pins 1 and 4

Answer: CE

NEW QUESTION 4
Which protocol does TFTP typically use for transport?

• A. RSVP
• B. TCP
• C. HTTP
• D. UDP

Answer: D

NEW QUESTION 5
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

Answer: BE

NEW QUESTION 6
Which command provides detailed information about the components that are installed on a router, such as the model, PID, and serial number?

• A. show chassis
• B. show items
• C. show inventory
• D. show router

Answer: C

NEW QUESTION 7
Which command displays a list of file systems that are available on Cisco devices?

• A. show memory
• B. show directory
• C. show file system
• D. show version

Answer: C

NEW QUESTION 8
Which command initiates the transfer of a Cisco IOS image over IP from ROMMON?

• A. Xmodem
• B. copy tftp: flash:
• C. copy flash: tftp:
• D. tftpdnld

Answer: D

NEW QUESTION 9
Which type of physical connector does a Gigabit Ethernet port typically use?

• A. RJ-9
• B. RJ-45
• C. DB-25
• D. RJ-11

Answer: B

NEW QUESTION 10
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

Answer: D

NEW QUESTION 11
Which two commands identify the serial number of a Cisco router? (Choose two.)

• A. show run
• B. show inventory
• C. show environment
• D. show version
• E. show archive

Answer: BD

NEW QUESTION 12
Which two commands are valid for copying a saved configuration to RAM? (Choose two.)

• A. copy startup-config running-config
• B. copy running-config startup-config
• C. copy tftp running-config
• D. copy running-config tftp
• E. copy tftp startup-config

Answer: AC

NEW QUESTION 13
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

Answer: B

NEW QUESTION 14
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.

Answer: AE

NEW QUESTION 15
Which type of port on a laptop is used to connect to an Ethernet port on a Cisco switch?

• A. DVI
• B. RJ-11
• C. DB-9
• D. RJ-45

Answer: D

NEW QUESTION 16
TFTP is a simple protocol for transferring files, such as a Cisco IOS or configuration file, from one device to another. Which device can be configured as a TFTP server?

• A. Cisco Content Engine
• B. modem
• C. Cisco router
• D. CSU/DSU

Answer: C

NEW QUESTION 17
Which address facilitates the routing of packets over an IP network?

• A. physical
• B. transport
• C. network
• D. MAC

Answer: C

NEW QUESTION 18
Which Windows-based text editor is preferred for working with a simple text document, such as a Cisco configuration?

• A. Microsoft Word
• B. Microsoft Notepad
• C. Microsoft Access
• D. Microsoft Excel

Answer: B

NEW QUESTION 19
Which command displays the configuration register setting?

• A. show flash
• B. show running-config
• C. show version
• D. show config-register

Answer: C

NEW QUESTION 20
What is the correct IPv6 address notation?

• A. 2001:0DB8::/128
• B. 2001:0DB8:0::
• C. 2001:0DB8::1:1:1:1:1
• D. 2001:0DB8:130F:0000:0000:7000:0000:140B

Answer: D

NEW QUESTION 21
What is the primary method for recovering or upgrading a Cisco network device system image?

• A. USB storage
• B. FTP
• C. the tftpdnld command
• D. the xmodem command

Answer: C

NEW QUESTION 22
Which two statements about Telnet and SSH are true? (Choose two.)

• A. SSH is a protocol that provides a secure remote access connection to network devices.
• B. SSH uses the well-known TCP port 23 for its communication.
• C. A Telnet network management connection is dropped when a router reboots.
• D. Telnet is a protocol that provides a secure remote access connection to network devices.
• E. Telnet is preferred over SSH for security reasons.

Answer: AC

NEW QUESTION 23
Which router port is used for dial-in access to the router for CLI management purposes and does not usually pass normal network traffic?

• A. Fast Ethernet
• B. channelized serial
• C. AUX
• D. Gigabit Ethernet

Answer: C

NEW QUESTION 24
Which two commands set the configuration register value? (Choose two.)

• A. rommon>confreg 0x2102
• B. router(config)#confreg 0x2102
• C. rommon>config-register 0x2102
• D. router(config)#configuration-register 0x2102
• E. router(config)#config-register 0x2102

Answer: AE

NEW QUESTION 25
Which method is the fastest way to recover a software version that supports a USB flash port on a Cisco device?

• A. tftp command
• B. xmodem transfer command
• C. copy command with USB memory
• D. copy tftp flash: command

Answer: C

NEW QUESTION 26
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