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WorksheetsNetwork Security 3
Total questions: 32
Worksheet time: 17mins
What provides confidentiality in a network, ensuring only the intended recipient can read the data?
Hash
Redundant Hardware
Encryption
Non-Repudiation
To provide integrity of data, hashing is often used. Which of the following is a commonly used 128-bit hash digest?
SHA-1
MD-5
CRAMMD5
SHA-256
Wireless network sniffing and wiretapping are attacks on which part of the CIA triad?
Confidentiality
Integrity
Availability
A TCP SYN flood is a type of attack where multiple TCP sessions are initiated, but the three-way handshake is never completed. This is an example of a(n) _________ attack.
Confidentiality
Integrity
Availability
Non-Repudiation
What is the most important things you can do to increase your network's security?
Increase physical controls
Utilized AES 128-bit encryption
Increase user training
Create an effective security policy
What is a common vulnerability scanner used to detect unknown vulnerabilities and missing software patches?
NESSUS
Windows Defender
McAfee Ant-Virus
BitLocker
Access control lists provide a set of rules that permit or deny certain types of traffic. Which of the following is not a criteria used by a router or firewall's ACL?
Source IP
Destination Port
Source Port
Destination OS
What is NOT a detection method used by an IDS or IPS examines the incoming data streams for?
Signature-based detection
Snort-based detection
Policy-based detection
Anomaly-based detection
If a user was at home and needed to remotely connect back to their corporate network, which type of VPN would they most likely utilize?
Client to site
Site to client
Site to Site
AES
Which of the following is NOT a type of VPN?
TLS
IPsec
PPP
L2TP
Which of the following security technique provides the highest "confidentiality service"?
Hashing
Encryption
Key exchange
Firewall
Which of the following is not a feature of a VPN?
It is a secure network
It may use tunneling techniques
It is deployed over a shared infrastructure
It does not provide any cost savings to alternate connectivity options
What is the function of VPN client (software)?
(choose all applicable)
Encrypts data
Alters the IP address
Transmits data packages
Alters the MAC address
Which of the below scenarios require the use of VPN the most?
WiFi in home
WiFi in school
WiFi in a workplace
WiFi in a coffee shop
- Takes a variable sized message as input and produces a fixed length output- Output will be identical for an identical input
- A one way function that is difficult to reverse (invert)
Encryption is a way of __________.
Securing Information on a network
protecting against malware threats
preventing a network attack
safeguarding computer systems
What type of encryption uses different keys?
MD5 Encryption
Asymmetric Encryption
Symmetric Encryption
SHA-1 encryption
The process of converting plaintext to ciphertext.
cryptography
cyphertext
decryption
encryption
A method for determining a solution to a problem by sequentially testing all possible solutions.
brute force
relative frequency
cipher
paired keys
Which of the following algorithms is comonly used in e-mail systems.
SHA-1
MD5
SHA-256
CRAMMD5
How many bits is the effective length of the key used in the Message Digest five (MD5) algorithm?
168
128
56
64
A hacker takes over a session between you and another person then disconnects the other person from communication. The other person still believes they are talking to you.
Hijack Attack
In-Between-Attack
Baiting
Spoof Attack
Most types of attacks are considered __________ , where the hacker performs the attack from a remote system.
home-based attacks
network-based attacks
international-based attacks
social engineering attacks
What attack does this image represent?
Man-In-The-Middle Attack
Baiting Attack
Spoof Attack
Hijack Attack
Malware is _____________.
A type of spyware program that monitors keystrokes with the intent of stealing passwords, login IDs or credit card information.
Software that’s intended to render a system temporarily or permanently useless.
The process of hacking a smartphone, tablet, etc., to run unauthorized software and to make other tweaks to the operating system.
Spyware is ___________.
An unwanted piggyback program that downloads with the software you want to install from the Internet and then runs in the background of your system.
Unwanted or junk e-mail.
A program that downloads on your computer when a user installs a freeware program, game or utility.
Social Engineering
Any technique that uses social skills to generate human interaction for the purpose of enticing individuals to reveal sensitive information.
When someone uses personal information about someone else to assume the victim’s identity for the purpose of defrauding another.
The process of sending e-mail messages to lure Internet users into revealing personal information such as credit card or Social Security numbers or other sensitive information that could lead to identity theft.
