When considering ingress filtering, why should all inbound packets be dropped if they contain a source address from within the protected network address space?

• A.B and C
• B.A and D
• C.The packets are probably corrupted.
• D.The packets are a sign of excess fragmentation.
• E.The packets may be deliberately spoofed by an attacker.
• F.A and B
• G.The packets may have been accidentally routed onto the Internet.
• H.B and D

Comment: *

Name: *

Email: *

Verification: *

You work as a Network Administrator for McRoberts Inc. The company has a Linux-based network. You
have created a script named lf.cgi. You want to provide the following permissions on it:
rwsr-sr--Which of the following commands will you execute?

• A.chmod 2754
• B.chmod 4754
• C.chmod 6754
• D.chmod 7754

Comment: *

Name: *

Email: *

Verification: *

You work as a Network Administrator for Net Soft Inc. You are designing a data backup plan for your
company's network. The backup policy of the company requires high security and easy recovery of data.
Which of the following options will you choose to accomplish this?

• A.Take a full backup on Monday and an incremental backup on each of the following weekdays. Keep Monday's backup offsite.
• B.Take a full backup on alternate days and keep rotating the tapes.
• C.Take a full backup daily with one tape taken offsite weekly.
• D.Take a full backup daily with the previous night's tape taken offsite.
• E.Take a full backup daily and use six-tape rotation.
• F.Take a full backup on Monday and a differential backup on each of the following weekdays. Keep Monday's backup offsite.

Comment: *

Name: *

Email: *

Verification: *

What does the "x" character in the second field of the user account record of the /etc/passwd file indicate?

• A.The user account is using a shadow password.
• B.The user account is disabled.
• C.The user account is shared by more than one user.
• D.The user account does not exist.

Comment: *

Name: *

Email: *

Verification: *

Which of the following is TRUE regarding the ability of attackers to eavesdrop on wireless communications?

• A.Eavesdropping attacks cannot be performed through concrete walls.
• B.Eavesdropping attacks can take place from miles away.
• C.Eavesdropping attacks are easily detected on wireless networks.
• D.Eavesdropping attacks require expensive devices.

Comment: *

Name: *

Email: *

Verification: *