CompTIA Core 2 20221023

Reorder the following: Given a scenario, apply the best practice methodology to resolve problems

• Then Verify full system functionality

  and, if applicable, implement

  preventive measures

• Then Test the theory to determine the cause

• Document the findings, actions,

  and outcomes

• Identify the problem then Establish a theory of probable cause (question the obvious)

• Then Establish a plan of action

  to resolve the problem and

  implement the solution

Which of the following file extension types can be run from the command prompt? (Select THREE).

• .bat

• .sys

• .com

• .exe

• .dll

What command can update group policies, without restart?

• gpupdate

• gpresult

• ipconfig

• Dism

Mary need resetting the DHCP configuration settings for all adapters in MS Windows, She is going to preform this reset for the comand prompt which two command can she use to resetting the DHCP configuration

• ipconfig /disable

• ifconfig eth0 down

• ipconfig /release

• ipconfig /enable

• ipconfig /renew

Michael want to verify that IPv4 and IPv6 are working properly on a computer NIC. Michael should issue which commands ?

• ipconfig ::1 and ping ::1

• ping 127.0.0.0 and ping :1

• ping 127.0.0.1 and ping ::1

• ipconfig 127.0.0.1 and ping 127::1

Moody is working on a system at the command line he want to insure he is on the correct system by display it name, he choose a quick commandline command. Which command-line commands can Moody use?

• host

• hosts

• hostname

• localhost

Match the following CLI commands

• A Linux firewall program that protects a network.

• A utility that is used to obtain packet information from a query string sent to the network interface.

• tcpdump

• iptables

• nslookup

• A DNS utility that displays the IP address of a hostname or vice versa.

• netstat

• A utility that shows the status of each active network connection.

• dig

• A Linux or UNIX command-line tool that will display name server information.

Which Administrative Tool allows the default management console with multiple snap-ins to configure local users and groups, disks, services, and devices?

• Component Services

• Data Sources

• Computer Management

• Local Security Policy

Answer explanation

Component Services enables you to register new server applications or reconfigure security permissions for existing services.

Which of the following is the BEST use-case scenario for a Chrome OS device?

• Gaming

• Application development

• Photo and video editing

• Web browsing and email

Which command allows a user to change a file’s permissions in Linux?

• chown

• passwd

• ls

• chmod