You discover a pending job for the at command.
Which of the following do you have to use to remove it?

CORRECT TEXT
You’ve downloaded an image file of a boot floppy disk to your hard drive. What is the best utility to
create a boot floppy from the disk image? (Specify a single command without options.)

The following output shows an excerpt from a standard network configuration file:
time 37/tcp timserver
time 37/udp timeserver
rlp 39/udp resource # resource location
name 42/udp nameserver
whois 43/tcp nickname # usually to sri-nic
domain 53/tcp
domain 53/udp
mtp 57/tcp # deprecated
bootps 67/udp # bootp server
bootpc 68/udp # bootp client
tftp 69/udp
Which file could this be from?

CORRECT TEXT
The ________ file contains the system default options for the PPP daemon.

What is the highest numbered TCP/IP port?

Which of the following is used to establish a PPP link to another computer?

Which of the following protocols uses two different network ports?

CORRECT TEXT
You can run the ________ command to see active network and UNIX domain socket connection.

While checking your security, you discover that you can connect to one of the machines on the
network via port 23. What should you do to the network service on this machine?

Which of the following represents a class C netmask?