117-201 Online Practice Questions and Answers

A DNS server has the IP address 192.168.0.1. Which TWO of the following need to be done on a client machine to use thisDNSserver?

A. Add nameserver 192.168.0.1 to /etc/resolv.conf

B. Run route add nameserver 192.168.0.1

C. Run ifconfig eth0 nameserver 192.168.0.1

D. Ensure that the dns service is listed in the hosts entry in the /etc/nsswitch.conf file

E. Run bind add nameserver 192.168.0.1

The mailserver is currently called fred, while the primary MX record points to mailhost.example.org. What must be done to direct example.org email towards fred?

A. Add an A record for mailhost to fred's IP address.

B. Add a CNAME record from mailhost to fred

C. Add another MX record pointing to fred's IP address.

D. Add a PTR record from mailhost to fred.

WhichofthesewayscanbeusedtoonlyallowaccesstoaDNSserverfrom specifiednetworks/hosts?

A. Using the limit{...;};statement in the named configuration file.

B. Using the allow-query{...;};statement in the named configuration file.

C. Using the answer only{...;};statement in the named configuration file.

D. Using the answer{...;};statement in the named configuration file.

E. Using the query access{...;};statement in the named configuration file.

Which tool can be used to control the runtime behavior of udev?

A. udev

B. udevctl

C. udevadm

D. udevconfig

E. udevclient

Your routing configuration relies on eth0 being a 3com card that requires the 3c59x module. What line must be added tomodulesconfigurationfile, toensurethateth0alwaysusesthismodule?

A. eth0=3c59x

B. alias eth0=3c59x

C. alias eth0 3c59x

D. set eth0 3c59x

E. set eth0=3c59x

After a lot of write operations, the changes should be written to the disk.

Please enter the appropriate command, without the path or any options or parameters, that would achieve

this.

Please enter the complete path to the main init process configuration file.

Running tcpdump -nli ethl 'icmp' shows the following output:

11:56:35.599063 IP 192.168.123.5 > 194.25.2.129: icmp 64: echo request seq 1

11:56:35.670910 IP 194.25.2.129 > 192.168.123.5: icmp 64: echo reply seq 1

What command was used on the host 192.168.123.5, to generate this output?

Which port must be open on a firewall, to allow a DNS server to receive queries? (Enter only the port

number).

Please enter the command with all parameters and arguments, that could be used by root to list the cron jobs for the user john.