Network Security Chapter 4 Quiz

What is the purpose of a virtual private network (VPN)?

• To scan networks to determine everything that is connected

• To fake the sending address of a transmission to gain illegal entry into a secure system

• To manage and control the underlying cloud infrastructure

• To provide a secure communications mechanism for transmission between networks

Which model specifies four layers of functionality: Link layer, Internet Layer, Transport Layer, and Application Layer?

• Ethernet model

• Wi-Fi model

• TCP/IP model

• OSI model

What is the primary action of a malicious code attack known as?

• Payload

• Encryption

• De-encapsulation

• Broadcast

What is the acronym for the standard communication protocol for sending and receiving emails between senders and receivers?

• ICMP

• FTP

• SMTP

• API

What is the process and act of converting the message from its plaintext to ciphertext?

• Broadcast

• Denial-of-Service

• Encryption

• Encapsulation

What is the opposite process of encapsulation, in which bundles of data are unpacked or revealed?

• Encryption

• De-encapsulation

• Payload

• Broadcast

What is the acronym for the internet protocol used to determine if a particular service or host is available?

• API

• SMTP

• FTP

• ICMP

What is the model for internetworking protocol that specifies four layers of functionality?

• OSI model

• TCP/IP model

• Ethernet model

• Wi-Fi model

What is the acronym for the standard protocol for transmission of data from source to destinations in packet-switched communications networks?

• API

• IPv4

• SMTP

• FTP

What is the acronym for the model that specifies seven layers of functionality?

• Ethernet model

• TCP/IP model

• OSI model

• Wi-Fi model