Cisco

What benefit does DHCP provide to a network? A. Hosts can connect to the network and get an IP address without manual configuration. B. Duplicate addresses cannot occur on a network that issues dynamic addresses using DHCP and has static assignments. C. DHCP allows users to refer to locations by a name rather than an IP address. D. Hosts always have the same IP address and are therefore always reachable.

A

Which two characters are allowed as part of the hostname of a Cisco device? A. dash B. tab C. numbers D. space E. question mark

A and C

Which two functions are provided to users by the context-sensitive help feature of the Cisco IOS CLI? (Choose two.) A. displaying a list of all available commands within the current mode B. allowing the user to complete the remainder of an abbreviated command with the TAB key C. selecting the best command to accomplish a task D. determining which option, keyword, or argument is available for the entered command E. providing an error message when a wrong command is submitted

A n D

What command can be used on a Windows PC to see the IP configuration of that computer? A. show interfaces B. ipconfig C. show ip interface brief D. ping

B

Which procedure is used to access a Cisco 2960 switch when performing an initial configuration in a secure environment? A. Use Telnet to remotely access the switch through the network. B. Use the console port to locally access the switch from a serial or USB interface of the PC. C. Use the AUX port to locally access the switch from a serial or USB interface of the PC. D. Use Secure Shell to remotely access the switch through the network​.

B

Which two features are characteristics of flash memory? (Choose two.) A. Flash receives a copy of the IOS from RAM when a device is powered on. B. The contents of flash may be overwritten. C. Flash is a component in Cisco switches but not in Cisco routers. D. Flash provides nonvolatile storage. E. The contents of flash may be lost during a power cycle.

B and D

Passwords can be used to restrict access to all or parts of the Cisco IOS. Select the modes and interfaces that can be protected with passwords. (Choose three.) A. Ethernet interface B. console interface C. router configuration mode D. privileged EXEC mode E. VTY interface F. boot IOS mode

B, C, E

A new network administrator has been asked to enter a banner message on a Cisco device. What is the fastest way a network administrator could test whether the banner is properly configured? A. Enter CTRL-Z at the privileged mode prompt. B. Reboot the device. C. Exit privileged EXEC mode and press Enter. D. Power cycle the device. E. Exit global configuration mode.

C

A router has a valid operating system and a configuration stored in NVRAM. When the router boots up, which mode will display? A. setup mode B. ROM monitor mode C. user Exec Mode D. global configuration mode

C

What criterion must be followed in the design of an IPv4 addressing scheme for end devices? A. Each IP address needs to be compatible with the MAC address. B. Each local host should be assigned an IP address with a unique network component. C. Each IP address must be unique within the local network. D. Each IP address must match the address that is assigned to the host by DNS.

C

A network administrator is planning an IOS upgrade on several of the head office routers and switches. Which three questions must be answered before continuing with the IOS selection and upgrade? (Choose three.) A. Do the devices have enough NVRAM to store the IOS image? B. Are the devices on the same LAN? C. What features are required for the devices? D. What ports are installed on the routers and switches? E. What models of routers and switches require upgrades? F. Do the routers and switches have enough RAM and flash memory for the proposed IOS versions?

C, E, F

A network administrator needs to keep the user ID, password, and session contents private when establishing remote CLI connectivity with a switch to manage it. Which access method should be chosen A. Console B. AUX C. Telnet D. SSH

D

Why is it important to configure a hostname on a device? A. to allow local access to the device through the console port B. a hostname must be configured before any other parameters C. a Cisco router or switch only begins to operate when its hostname is set D. to identify the device during remote access (SSH or telnet)

D

Why would a Layer 2 switch need an IP address? A. to enable the switch to receive frames from attached PCs B. to enable the switch to function as a default gateway C. to enable the switch to send broadcast frames to attached PCs D. to enable the switch to be managed remotely

D

Which statement is true about the running configuration file in a Cisco IOS device? A. It is stored in NVRAM. B. It should be deleted using the erase running-config command. C. It is automatically saved when the router reboots. D. It affects the operation of the device immediately when modified.

A

While trying to solve a network issue, a technician made multiple changes to the current router configuration file. The changes did not solve the problem and were not saved. What action can the technician take to discard the changes and work with the file in NVRAM? A. i ssue the copy startup-config running-config command. B. Issue the reload command without saving the running configuration C. Delete the vlan.dat file and reboot the device D. Close and reopen the terminal emulation software.

B