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C172 NetSecOps

Terms in this set (15)

What is the purpose of a firewall?

A To protect electronic data from damage caused by a fluctuation in temp
B To restrict traffic from entering (ingress) or exiting (egress) a network
C To protect physical assets from fire and other disasters
B
A system admin wants to protect the local network from untrustworthy external traffic. Which device should this sysadmin implement?

A Switch
B Repeater
C Router
D Firewall
D
Which three layers of the OSI model does stateful inspection require?

A 1, 2, 3
B 3, 4, 5
C 2, 4, 7
D 3, 5, 7
B
Which layers of the OSI model does a packet-filtering firewall operate in?

A 1, 2
B 3, 4
C 4, 5
D 6, 7
B
A Security Analyst is testing the security of an organization's website by placing a script directly into a search box. Which level of the OSI model is the analyst addressing?

A 4
B 5
C 6
D 7
D
Which Transport layer protocol is best suited for streaming audio and video?

A User Datagram Protocol (UDP)
B Internet Protocol (IP)
C Hypertext Transfer Protocol (HTTP)
D Transmission Control Protocol (TCP)
A
A security analyst is tasked to test a website for OSI Layer 7 vulnerabilities. The first test is to see if the fields on the website will execute code on the database server integrated with the site. The analyst types some text into the "email" box in a web form:

admin' or '1'='1

The web application responds with the following message:
Invalid Email Format.

You have an error in your syntax; check the manual that corresponds to your database server version for the right syntax to use near 'in' at line 1.

Which type of exploit is this analyst assessing for?

A SYN Flood Attack
B SQL Injection
C Buffer overflow/overrun
D Man in the middle - MiTM
B
What is a characteristic of symmetric key encryption?

A Use of a public/private key
B Public key infrastructure
C Use of a shared key
D Elliptic curve cryptography
C
Which encryption application provides authentication and encryption services that are commonly used to create VPN tunnels at OSI Layer 3?

A Secure Socket Layer (SSL)
B Internet Protocol Security (IPSec)
C Transport Layer Security (TLS)
D Advanced Encryption Standard (AES)
B
What is the result of the encryption process?

A Public Key
B Cipher Text
C Shared Key
D Plaintext
B
What is the fastest encryption method for bulk encryption of data?

A Asymmetric Encryption
B TLS
C Symmetric Encryption
D PKI
C
Why would someone choose to implement Advanced Encryption Standards (AES) encryption over Triple Data Encryption Standard (3DES) encryption?

A For transmission over longer distances
B For a more secure level of encryption due to increased complexity
C Because they prefer to use a symmetric key algorithm
D To hide the network name from discovery protocols
B
Which IEEE 802 standard is for wireless LAN connections?

A 802.3
B 802.1x
C 802.11
D 802.15
C
What is one disadvantage of using WPA3 on a wireless network?

A The licensing fees can be costly on large networks
B Security levels are higher using WEP
C Transmission rates are higher using WPA2
D WPA3 may not be supported by many older network devices
D
Which network type does not require a wireless router or access point between clients?

A WAN
B Ad-hoc
C SAN
D Infrastructure
B
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