100-640 Flashcards
Which protocol does TFTP typically use for transport?
UDP
What is the correct IPv6 address notation?
2001:0DB8:130F:0000:0000:7000:0000:140B
Which 2 statements about Telnet and SSH are true?
1 SSH is a protocol that provides secure remote access to network devices
2 A Telnet network management connection is dropped when a router reboots
Which address facilitates the routing of packets over an IP network?
Network
Which 2 IPv4 addresses can be assigned to a host computer?
10.1.1.20
192.168.10.15
What are 2 components of a WAN connection?
CSU/DSU
router
Which device is a DTE device?
Router
Which layer of the OSI model defines how data is formatted for transmission and how access to the physical media is controlled?
Data Link
Which command shows the status of power supplies and sensor temperatures?
Show environment
What are 2 standard fiber optic connectors?
Lucent
Subscriber
Which type of physical connector does a Gigabit Ethernet port typically use?
RJ-45
Which 2 pairs of LAN Ethernet devices us an RJ-45 straight through cable?
Switch-router
Switch-server
Which 2 features are associated with single-mode fiber-optic cable?
Consists of a single strand of glass fiber
Carries a higher bandwidth than multi mode fiber
Which 2 statements about the hardware component is true? Pic
3 is a USB type A port
2 is a USB 5-pin mini USB type B to USB type A console cable
Which type of transceiver module is used for 40 Gigabit Ethernet connectivity?
QSFP+
What is the line speed of DS0 in North America?
64kbps
Which two ports on a laptop are used to gain console access to a Cisco switch?
USB
DB-9
Which 2 statements about a SmartJack are true?
It provides signal conversion
It regenerates the signal to compensate for signal degradation from line transmission
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?
Rolled
Which Cisco CPAK 100GBASE module supports Multimode fiber cable?
Cisco CPAK-100G-SR4
The pins on an RJ-45 cable plug are numbered from 1-8. When the metal pins of the plug are facing toward you, pin 1 is the leftmost pin. Which 2 sets of pins are looped in a RJ-45 56k loop back plug?
1 and 4
2 and 5
How many pairs of copper wire does a UTP cable have?
4
Which 2 Cisco Nexus 3400 series switches support 400 Gbps Ethernet ports?
3432D-S
3408-S
Which type of memory stores the configuration of a router by default?
RAM
Which 2 commands identify the serial number of a Cisco router?
Show inventory
Show version
Which 2 commands set the configuration register value?
Rommon>confreg 0x2102
Router(config)#config-register 0x2102
Which bits represent the boot field in the configuration register value?
Lowest 4 bits
Which type of memory stores the decompressed form of Cisco IOS software and the running configuration?
DRAM
Which type of memory is used to permanently store Cisco IOS software?
NVRAM
What is the default operating mode when you initially log in to a router?
User EXEC
When you deploy Cisco Catalyst 3850 series switches, which 2 modes of operation can you choose from?
Install mode and Bundle mode
Which command displays a list of file systems that are available if Cisco devices?
Show file system
Which 2 pieces of information are displayed when you use the show ip interface brief command?
Layer 3 address
Interface status
Which command sends an echo request packet to the target host and then waits for an echo response message?
Ping
Which command displays information about the carrier network, cell site, and available service?
Show cellular unit network
Which 2 pieces of information about a neighboring device are displayed when you use the CLI command show cod neighbor?
Platform
Device ID
Cisco NX-OS has added the ability to use which type of custom scripting to help manage user networks?
Python
Which command displays the configuration register setting?
Show version
At the interface configuration prompt, which command returns you to the main configuration prompt?
Exit
Which command provides detailed information about the components that are installed on a router, such as the model, PID, and serial number?
Show inventory
Which windows based text editor is preferred when working with a simple text document, such as a Cisco configuration?
Notepad
From a windows command prompt, which command displays the local IP address of a computer?
Ipconfig
What is the windows based program that executes the ping command to test network connectivity?
Cmd
Which type of port on a laptop is used to connect to a Ethernet port on a Cisco switch?
RJ-45
Which type of Cisco console cable is used to connect a laptop to a console port on a Cisco router?
Rollover
An Ethernet interface is up and the line protocol is down. What are 2 possible causes?
There is a speed or duplex mismatch with the remote device
There is a layer 2 mismatch in the encapsulation type
From the enable mode, which command loads the configuration during the password recovery process on a Cisco router?
Copy startup-config running-config
Which command initiates the copying of a Cisco IOS image to a Cisco device?
Copy tftp flash
TFTP is a simple protocol for transferring files, such as Cisco IOS or configuration file, from on device to another. Which device can be configured as a TFTP server?
Cisco router
What is the primary method for recovering or upgrading a Cisco network device system image?
Tftpdnld command
Which 2 commands are valid for copying a saved configuration to RAM?
Copy startup-config running-config
Copy TFTP running config
What are 2 purposes of a USB thumb drive?
To copy configuration files to and from a PC
To copy IOS images to and from a PC
Which method is the fastest way to recover a software version that supports a USB flash port on a Cisco device?
Copy command with usb memory
Which command initiates the transfer of a Cisco IOS image over IP from ROMMON?
Tftpdnld
What does Cisco use for return materials authorization tracking of field replaceable parts?
RMA number
Which set of steps best describes how to assign a static IP address to the Ethernet port on a computer?
From the network and sharing center, click change adapter, then double click a local area connection. Select internet Protocol (TCP/IP)>properties>use the following address then configure the IP information.
Which router port is used for dial in access to the router for CLI management purposes and does not usually pass normal network traffic?
AUX
ESD is the sudden and momentary electric current that flows between 2 objects at different electrical potentials, caused by direct contact or induced by an electrostatic field. Which 3 tools are used to avoid ESD?
Antistatic matt
ESD wrist strap
Antistatic bag
Which type of port is used to connect a laptop to an Ethernet port on a Cisco router?
Straight-through
Which xmodem option is used to enhance error checking of an image that is copied to flash memory?
-c
