Deck 9: Secure Wireless Transmissions

Question 1

SSH can even be used as a tool for secure network backups.

Answer 1

True

Question 2

In a ____ VPN, multiple sites can connect to other sites over the Internet.

A) point-to-point
B) person-to-person
C) remote-access
D) site-to-site

Answer 2

D

Question 3

____ is a set of protocols developed to support the secure exchange of packets.

A) IPsec
B) UDP
C) HTTP
D) FTP

Answer 3

A

Question 4

The ____ is a protocol used to manage networked equipment.

A) PPTP
B) SNMP
C) FTP
D) L2TP

Question 5

____ key cryptography uses a single key to both encrypt and decrypt the document.

A) User
B) Private
C) Public
D) Known

Question 6

A ____ VPN is a user-to-LAN connection used by remote users.

A) site-to-multipoint
B) site-to-site
C) remote-access
D) multipoint-to-multipoint

Question 7

____ is software that works with a computer's network interface card adapter to simulate a dial-up session and can assign IP addresses as necessary.

A) LCP
B) PPPoE
C) L2TP
D) IPsec

Question 8

L2TP is only supported by Windows 2000 versions and higher.

Question 9

Cisco is probably the best-known hardware-based VPN and many of their routers are designed specifically for VPNs.

Question 10

The ____ ensures that a connection is private by using data encryption; it also ensures that the connection is reliable.

A) TLS Record Protocol
B) Secure FTP
C) TLS Handshake Protocol
D) HTTP

Question 11

____ is a widely used protocol for establishing connections over a serial line or dial-up connection between two points.

A) PPP
B) SFTP
C) SCP
D) SSH

Question 12

Endpoints that provide passthrough VPN capability does not require that a separate VPN client application be installed on each device that connects to a VPN server.

Question 13

The ____ allows authentication between the server and the client and the negotiation of an encryption algorithm and cryptographic keys before any actual data is transmitted.

A) TLS Record Protocol
B) Secure FTP
C) TLS Handshake Protocol
D) HTTP

Question 14

____ is similar to PGP and runs on Windows, UNIX, and Linux operating systems.

A) SNMPv3
B) SSH
C) IPsec
D) GPG

Question 15

The Linux operating system comes with a native cryptography system installed.

Question 16

An extension to PPTP is the ____, which establishes, configures, and automatically tests the connection.

A) network access server (NAS)
B) Layer 2 Tunneling Protocol (L2TP)
C) IP Security (IPsec)
D) Link Control Protocol (LCP)

Question 17

____ is a facility for transferring files securely.

A) L2TP
B) PPTP
C) PPP
D) Secure Copy (SCP)

Question 18

Transferring files was most commonly performed by using the ____, which is part of the TCP/IP suite.

A) Secure Shell (SSH)
B) IP Security (IPsec)
C) File Transfer Protocol (FTP)
D) Layer 2 Tunneling Protocol (L2TP)

Question 19

____ is a protocol developed by Netscape for securely transmitting documents over the Internet.

A) Secure Sockets Layer (SSL)
B) Secure FTP (SFTP)
C) Secure Shell (SSH)
D) IP Security (IPsec)

Question 20

____ is a protocol that guarantees privacy and data integrity between applications communicating over the Internet.

A) Hypertext Transfer Protocol (HTTP)
B) Transport Layer Security (TLS)
C) File Transfer Protocol (FTP)
D) User Datagram Packet (UDP)

Question 21

How can a user access FTP?

Question 22

Hardware devices that have a ____ VPN endpoint handle all the VPN tunnel setup, encapsulation, and encryption in the endpoint.

A) passthrough
B) concentrator
C) built-in
D) PPTP

Question 23

In IPsec, key management is accomplished through a protocol known as ____.

A) Encapsulating Security Payload (ESP)
B) ISAKMP/Oakley
C) Authentication Header (AH)
D) L2TP

Question 24

The most widely used public cryptography system for encrypting e-mail messages on Windows systems is a commercial product called ____________________.

Question 25

The most widely used SCP client is the command-line program ____________________, which is provided in many implementations of SSH.

Question 26

IPsec ____ mode encrypts only the data portion (payload) of each packet yet leaves the header unencrypted.

A) tube
B) tunnel
C) transport
D) lane

Question 27

Why is IPsec considered a transparent protocol?

Question 28

What are the drawbacks of using public key and private key encryption for transmitting documents?

Question 29

What are the main problems with private key cryptography?

Question 30

Briefly describe how SNMP works.

Question 31

An enhanced feature of SSH is known as port forwarding, also called ____________________.

Question 32

A VPN ____ aggregates hundreds or thousands of multiple connections together.

A) endpoint
B) tunnel
C) protocol
D) concentrator

Question 33

How does SSH port forwarding work?

Question 34

In IPsec, authentication is accomplished by the ____ protocol.

A) Encapsulating Security Payload (ESP)
B) ISAKMP/Oakley
C) Authentication Header (AH)
D) L2TP

Question 35

A(n) ____________________ uses an unsecured public network, such as a hotspot WLAN or the Internet, as if it were a secure private network.

Question 36

In IPsec, confidentiality is achieved through the ____ protocol.

A) Encapsulating Security Payload (ESP)
B) ISAKMP/Oakley
C) Authentication Header (AH)
D) L2TP

Question 37

____________________ represents a merging of the features of PPTP with Cisco's Layer 2 Forwarding Protocol (L2F).

Question 38

How does SCP work?

Question 39

Briefly describe how PGP (or GPG) works.

Question 40

What are some of the advantages of VPN technology?

Question 41

What are the areas of protection provided by IPsec?