A Linux system administrator is searching the passwd file for any username that starts with a digit. Which grep command should the administrator use? grep '_[0-9]' /etc/passwd grep '[0-9]' /etc/passwd grep '^[0-9]'…
A user experiences access and performance issues with the Internet connection from a home computer. The Internet connection is provided through a DSL line. The user calls the support line…
How does an activity LED on wireless routers indicate that traffic is moving through a port? by flashing by staying turned off by staying a solid green color by staying…
Which command can be used to verify connectivity between two host devices? ipconfig ping netstat nslookup Answers Explanation & Hints: The ping command can be used to test end-to-end connectivity…
Which three pieces of information are revealed by the ipconfig command (without the /all switch)? (Choose three.) IP address DHCP server subnet mask default gateway DNS server MAC address Answers…
Which utility can be used to view a list of open TCP connections on Linux or Windows systems? Tracert Ping Netstat Ipconfig Answers Explanation & Hints: Netstat is a utility…
For the second time in a week, workstations on a LAN are not able to log into a specific server. The technician fixed the problem the first time, but cannot…
A user can print to a printer that is on the same network, but the traffic of the user cannot reach the Internet. What is a possible cause of the…
What advantage does SSH offer over Telnet? encryption more connection lines connection-oriented services username and password authentication Answers Explanation & Hints: Both Telnet and SSH are used to remotely connect…
Which statement regarding the service password-encryption command is true? It is configured in privileged EXEC mode. It encrypts only line mode passwords. As soon as the service password-encryption command is…
Match the type of password on a Cisco device to the function.
What is the purpose of assigning an IP address to the VLAN1 interface on a Cisco Layer 2 switch? to create a new IP local network on the switch to…
A network administrator is troubleshooting inter-connection issues between routers. Which show command can be used to check the bandwidth and MTU settings of an interface? show arp show ip route…
Refer to the exhibit. Which element of IOS syntax is the expression MainOffice ? a command a keyword an argument a subcommand Answers Explanation & Hints: An argument of a…
A network administrator issues the Switch# show running-config command on a Cisco switch. Which term is used to describe the part " running-config" in the command? hot key keyword argument…
To save time, IOS commands may be partially entered and then completed by typing which key or key combination? Tab Ctrl-P Ctrl-N Up Arrow Right Arrow Down Arrow
A network administrator is working on a Cisco router. The CLI prompt is Router1(config-if)#. Which operation is the administrator likely to configure next? the vty lines a LAN interface the…
Following default settings, what two tasks are performed first in the router boot sequence? (Choose two.) Perform the POST routine. Locate and load the startup-config file from NVRAM. Load the…
When a router is powered on, where will the router first search for a valid IOS image to load by default? RAM ROM flash memory NVRAM Answers Explanation & Hints:…
When is an IP address required to be configured on a Cisco LAN switch? when the switch is connected to another switch when the switch must forward LAN traffic when…