What is the command used for

searching plain-text data within

a file in Linux/Unix?

Which two statements about cryptographic file transfer are true?

• FTPS uses SSH at port 22

• SFTP and SCP have identical properties and operate on the same port

• SFTP does not negotiate using digital certificates

• FTPS uses explicit & implicit methods to invoke client security

• UDP ports 989 and 990 are used for FTPS

Your wireless access point operates

• at the network layer of the OSI layer model.

• at the data link layer of the OSI layer model.

Which of these are not used in copper cabling?

• BNC

• QSFP

• RJ-45

• MT-RJ

• F-Connector

Which of the following is not true regarding the Frame Check Sequence field in an Ethernet frame?

• This field is 32 bits long.

• It contains a mechanism to check the frame's overall integrity.

• Contains only the Destination Address if the host is in receiver's ARP table.

• Is located at the end of the frame.

Digital Certificates ensure confidentiality, non-repudiation and integrity.

• True

• False

Which are true of RC4?

• It uses an asymmetric algorithm.

• Vulnerabilities with RC4 causes WEP to be insecure.

• Was designed by one author of the RSA algorithm and defeated by another.

• All of the above.

Given the MAC Address 00-11-22-AA-BB-CC and the IP address 192.168.128.100, what command would you type to add a static entry to a host's ARP cache?

Hub is to switch as repeater is to ...

Regarding network troubleshooting methodology: Out of the five steps taken to unsnarl a network problem, which is the third step?

• Implement the solution or escalate as necessary

• Establish a plan of action

• Establish a theory of probable cause

• Test the theory to determine the cause