NOS 120 ch 14

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Which of the following are valid IPv4 addresses? (choose two) 192.301.25.25 10.33.55.77 192.105.10.10.2 192.105.10.10

10.33.55.77 192.105.10.10

Which of the following files contains the IP addresses of the name servers the system should consult in any attempt to resolve names to IP addresses? /etc/resolve.conf /etc/resolv.conf /etc/nsswitch.conf /etc/hosts

/etc/resolv.conf

When looking at the primary IPv4 configuration file, if the device was configured to be a DHCP client, then the BOOTPROTO value would be set to none. True or False?

false

Which of the following protocols defines how network communication functions? SSH DHCP DNS TCP/IP

TCP/IP

What option to the netstat command has information shown as numbers rather than names? -r --name -n -t

-n

A service is... ...a file that contains configuration information. ...like an IP address. ...a feature provided by one computer to another. ...another name for a computer's hostname.

...a feature provided by one computer to another.

When issuing the service network restart command, which of the following occurs? ...takes down all network interfaces, re-reads all related configuration files and then the networking for the system is restarted. ...brings up all network interfaces, re-reads all related configuration files and then the networking for the system is restarted. ...the networking for the system is stopped and then started back up.

...takes down all network interfaces, re-reads all related configuration files and then the networking for the system is restarted.

A network packet contains ... (choose two) ...the IP address of the destination machine. ...the name of the router. ...the IP address of the source machine. ...a hard drive partition.

...the IP address of the destination machine. ...the IP address of the source machine

Which of the following commands will display the routing table? (choose two) ifconfig netstat -r route dig

netstat -r route

Which of the following commands can be used to display socket statistics, and supports all major packet and socket types? top route ss ifconfig

ss


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