(Chapter 7) Network Security
Which of the following best defines packet filtering?
A. A limit is placed on the packets that can enter the network
B. Should be avoided when using ACLs
C. A limit is not placed on the packets that can exit the network
D. Implies that data rates are smoothed out - answerA. A limit is placed on the packets
that can enter the network
When a network is protected behind the firewall, it is sometimes referred to as a
__________ network.
A. Private
B. External
C. Public
D. In House - answerA. Private
Encryption guarantees __________. - answerData confidentiality
A firewall uses ACLs to accept or deny packets
FALSE
TRUE - answerTRUE
__________ assumes that the attacker can see the network data packets.
A. Brute Force Attacks
B. Wire Tattooing
C. Packet Sniffing
D. Password Cracking - answerC. Packet Sniffing
A web filter appliance only lets you see what traffic is flowing to the web.
FALSE
TRUE - answerFALSE
__________ is a concept of extending a private or a trusted network over public
infrastructure like the Internet.
A. Proxy Server
B. Tunnel
C. VPN
D. Encryption - answerC. VPN
Antivirus software uses __________ to match against known viruses and worms.
A. reports
B. signatures
Which of the following best defines packet filtering?
A. A limit is placed on the packets that can enter the network
B. Should be avoided when using ACLs
C. A limit is not placed on the packets that can exit the network
D. Implies that data rates are smoothed out - answerA. A limit is placed on the packets
that can enter the network
When a network is protected behind the firewall, it is sometimes referred to as a
__________ network.
A. Private
B. External
C. Public
D. In House - answerA. Private
Encryption guarantees __________. - answerData confidentiality
A firewall uses ACLs to accept or deny packets
FALSE
TRUE - answerTRUE
__________ assumes that the attacker can see the network data packets.
A. Brute Force Attacks
B. Wire Tattooing
C. Packet Sniffing
D. Password Cracking - answerC. Packet Sniffing
A web filter appliance only lets you see what traffic is flowing to the web.
FALSE
TRUE - answerFALSE
__________ is a concept of extending a private or a trusted network over public
infrastructure like the Internet.
A. Proxy Server
B. Tunnel
C. VPN
D. Encryption - answerC. VPN
Antivirus software uses __________ to match against known viruses and worms.
A. reports
B. signatures
