Which of the following can the administrator do to verify that a tape backup can be recovered in its entirety?


A. Read the first 512 bytes of the tape
B. Perform a full restore
C. Read the last 512 bytes of the tape
D. Restore a random file

It is a short-range wireless communication technology intended to replace the cables connecting portable of fixed devices while maintaining high levels of security. It allows mobile phones, computers and other devices to connect and communicate using a short-range wireless connection. Which of the following terms best matches the definition?


A. Bluetooth
B. WLAN
C. InfraRed
D. Radio-Frequency identification

Trinity needs to scan all hosts on a /16 network for TCP port 445 only. What is the fastest way she can accomplish this with Nmap? Stealth is not a concern.


A. nmap p 445 n T4 open 10.1.0.0/16
B. nmap p 445 max Pn 10.1.0.0/16
C. nmap sn sF 10.1.0.0/16 445
D. nmap s 445 sU T5 10.1.0.0/16

A well-intentioned researcher discovers a vulnerability on the web site of a major corporation. What should he do?


A. Try to sell the information to a well-paying party on the dark web.
B. Exploit the vulnerability without harming the web site owner so that attention be drawn to the problem.
C. Ignore it.
D. Notify the web site owner so that corrective action be taken as soon as possible to patch the vulnerability.

Ricardo wants to send secret messages to a competitor company. To secure these messages, he uses a technique of hiding a secret message within an ordinary message. The technique provides security through obscurity.

What technique is Ricardo using?


A. Encryption
B. Steganography
C. RSA algorithm
D. Public-key cryptography

env x=(){ :;};echo exploit bash c cat/etc/passwd
What is the Shellshock bash vulnerability attempting to do a vulnerable Linux host?


A. Removes the passwd file
B. Changes all passwords in passwd
C. Add new user to the passwd file
D. Display passwd content to prompt

What is the correct process for the TCP three-way handshake connection establishment and connection termination?


A. Connection Establishment: SYN, SYN-ACK, ACK Connection Termination: FIN, ACK-FIN, ACK
B. Connection Establishment: ACK, ACK-SYN, SYN Connection Termination: FIN, ACK-FIN, ACK
C. Connection Establishment: FIN, ACK-FIN, ACK Connection Termination: SYN, SYN-ACK, ACK
D. Connection Establishment: SYN, SYN-ACK, ACK Connection Termination: ACK, ACK-SYN, SYN

Eve stole a file named secret.txt, transferred it to her computer and she just entered these commands:

What is she trying to achieve?


A. She is using ftp to transfer the file to another hacker named John.
B. She is using John the Ripper to crack the passwords in the secret.txt file
C. She is encrypting the file.
D. She is using John the Ripper to view the contents of the file.

The Heartbleed bug was discovered in 2014 and is widely referred to under MITREs Common Vulnerabilities and Exposures (CVE) as CVE-2014-0160. This bug affects the OpenSSL implementation of the Transport Layer Security (TLS) protocols defined in RFC6520.

What type of key does this bug leave exposed to the Internet making exploitation of any compromised system very easy?


A. Public
B. Private
C. Shared
D. Root

When analyzing the IDS logs, the system administrator noticed an alert was logged when the external router was accessed from the administrators Computer to update the router configuration. What type of an alert is this?


A. False negative
B. True negative
C. True positive
D. False positive