Deck 9: Web, Remote Access, and VPN Security

Question 1

With FTP, Port 20 is a control port for FTP commands that control how data is sent.

Answer 1

False

Question 2

In SSL , the client makes a secure connection request, and the server replies with a digital certificate accompanied by a public key.

Answer 2

True

Question 3

Remote access protocols are used to carry network packets over a WAN link.

Answer 3

True

Question 4

X.25 is more commonly used in Europe and other countries than in the United States.

Question 5

A Windows 2000/2003 server can be set up as a VPN server by implementing Routing and Remote Access Services.

Question 6

When used with S-HTTP, CMS is used to provide encryption for MIME data and to apply a digital signature to MIME data.

Question 7

Port 21 is a control port for FTP commands that controls how data is sent.

Question 8

Windows 2000 Professional and Windows XP Professional do not offer RAS services and rely on their server counterparts to provide this service.

Question 9

HTTPS is used primarily in native HTTP communications and does not encrypt data in IP-level communications.

Question 10

CSLIP supports network connection authentication to prevent someone from intercepting a communication.

Question 11

NFS is a connectionless protocol that runs within UDP.

Question 12

MS-CHAP v2 is used for clients who access RAS through special devices such as smart cards, token cards, and others that use certificate authentication.

Question 13

The NFS software that was originally developed by Sun Microsystems uses remote procedure calls via TCP port 111.

Question 14

Mozilla is an open-source Web browser that is installed in Mac OS X by default.

Question 15

In Internet Explorer, the restricted sites zone is used to designate specific sites that are safe to access.

Question 16

PPP supports network protocols, such as IPX/SPX, NetBEUI, and TCP/IP.

Question 17

The maximum downstream transmission speed of ADSL is 6.0 Mbps.

Question 18

ISDN basic rate interface consists of two channels.

Question 19

Windows Server 2003 enables the installation of the Internet Explorer Enhanced Security Configuration component that should be installed to provide strong security options for this server operating system.

Question 20

A VPN is a private network that is like a tunnel through a larger network.

Question 21

Which security option in Samba means that the current user can access computers through Samba and must supply a user account and password for each computer that is accessed?

A) security = user
B) security = share
C) security = server
D) security = default

Question 22

What is the default security option in Samba?

A) security = user
B) security = server
C) security = share
D) None of the above

Question 23

Which FTP command transmits a file to another computer?

A) send
B) transmit
C) put
D) upload

Question 24

Which FTP command sends a file to another computer?

A) push
B) send
C) transfer
D) put

Question 25

Which security option in Samba is used to designate a different computer to provide access through Samba?

A) security = user
B) security = share
C) security = server
D) None of the above

Question 26

Which security option in Samba means that users can log on anonymously?

A) security = user
B) security = share
C) security = default
D) security = server

Question 27

What protocol does Samba use?

A) NFS
B) SMB
C) RPC
D) TCP

Question 28

Which of the following content is disabled in the Internet Explorer Enhanced Security Configuration zone "Internet zone using High security"?

A) ActiveX controls
B) Scripts
C) Executables
D) All of the above

Question 29

Which security method is defined in RFP 2630?

A) RAS
B) S-HTTP
C) MOSS
D) CMS

Question 30

Which FTP command obtains multiple files from another computer?

A) get
B) input
C) retrieve
D) mget

Question 31

Which security method is used to provide encryption for MIME data and to apply a digital signature to MIME data?

A) MOSS
B) S-HTTP
C) SMTP
D) FERN

Question 32

Which Mozilla security option manages the revocation of certificates and enables or disables the use of OCSP?

A) SSL
B) Certificates
C) Validation
D) Security

Question 33

Which of the following protocols provides for both authentication and encryption?

A) HTTP
B) HTTP-S
C) S-HTTP
D) HTTPS

Question 34

What must be installed for Windows-based computers to use Samba?

A) An NTFS partition
B) File and Printer Sharing
C) The SMB protocol
D) Nothing needs to be installed

Question 35

Which protocol is particularly suited to computers that perform high-volume transaction processing involving records stored within data files or databases, and in situations in which data files are distributed among several servers?

A) FTP
B) SMB
C) NFS
D) HTTPS

Question 36

Mozilla is an open-source Web browser that is installed in Red Hat Linux 9.x by default when the _____ desktop is used.

A) GNU
B) KDE
C) GNOME
D) LINX

Question 37

Which protocol is used to exchange information over the World Wide Web?

A) HTTP
B) FTP
C) NFS
D) SMB

Question 38

Which FTP command ends the file transfer session and exits the FTP mode?

A) bye
B) quit
C) close
D) Both a and b
E) Both a and c

Question 39

Which FTP command transfers files in binary format?

A) ASCII
B) binary
C) base
D) hex

Question 40

Which of the following options is a preconfigured security setting in the Internet Explorer Enhanced Security Configuration component?

A) None
B) Medium-high
C) Medium-low
D) Maximum

Question 41

What is the maximum downstream transmission speed of DSL?

A) 2.3 Mbps
B) 6 Mbps
C) 60 Mbps
D) 128 Mbps

Question 42

ISDN basic rate interface consists of how many channels?

A) 1
B) 2
C) 3
D) 4

Question 43

Are the permissions of a remote access policy a combination of those configured under the user account and the remote access policy?

Question 44

Which GUI features are included in Netscape but not in Mozilla?

A) Buddy list
B) Mail
C) News
D) All features are identical

Question 45

What is the size of the ISDN basic rate interface channel that is used for communications signaling?

A) 16 Kbps
B) 24 Kbps
C) 64 Kbps
D) 128 Kbps

Question 46

Is IAS a protocol that a RAS or VPN server can use to defer a user's access request to a central RADIUS server?

Question 47

How many simultaneous RAS connections does Windows XP Professional allow?

A) 1
B) 2
C) 10
D) hundreds

Question 48

What was the maximum transmission speed of X.25 before being upgraded in 1992?

A) 16 Kbps
B) 24 Kbps
C) 64 Kbps
D) 128 Kbps

Question 49

How many channels are used for data, voice, and graphics transmissions in an ISDN basic rate interface?

A) 1
B) 2
C) 3
D) 4

Question 50

What is the maximum transmission speed of X.25?

A) 64 Kbps
B) 128 Kbps
C) 1.024 Mbps
D) 2.048 Mbps

Question 51

Which of the following protocols encapsulate PPP and create special tunnels over a public network such as the Internet that reflect intranets and VPNs?

A) PPTP
B) L2TP
C) IPSec
D) Both a and b
E) Both b and c

Question 52

What is displayed in the figure above?

A) Privacy & Security options in Mozilla
B) Privacy & Security options in Netscape
C) Privacy & Security options in Internet Explorer
D) None of the above

Question 53

Which of the following are considered to be line devices?

A) Modems
B) ISDN adapters
C) Fax cards
D) Only a and c
E) a, b, and c

Question 54

What is the size of the ISDN basic rate interface channel that is used for data, voice, and graphics transmissions?

A) 16 Kbps
B) 24 Kbps
C) 56 Kbps
D) 64 Kbps

Question 55

Was CHAP developed especially for use with VPNs?

Question 56

What is displayed in the figure above?

A) Internet Explorer security settings in Windows Server 2003
B) Privacy & Security options in Mozilla
C) Privacy & Security options in Netscape
D) Installing Internet Explorer Enhanced Security Configuration in Windows Server 2003

Question 57

Which of the following operating systems can connect through RAS?

A) MS-DOS
B) Netware
C) Linux
D) Both a and b
E) Both b and c

Question 58

Does PPP use an additional network communications standard, called Layer Two Forwarding, that enables forwarding on the basis of MAC addressing, in addition to IP addressing?

Question 59

In the Windows Server 2003 RAS, callback option "Set by Caller" is the phone number provided by the remote computer?

Question 60

What is the maximum upstream transmission speed of DSL?

A) 1.2 Mbps
B) 2.3 Mbps
C) 6 Mbps
D) 60 Mbps

Question 61

SSL uses ____________________ encryption, which employs asymmetrical public and private keys.

Question 62

With ____________________ security set up, the server calls back the remote computer to verify its telephone number, in order to discourage an attacker from trying to access the server.

Question 63

Does the RAS "Strong" encryption option enable clients to use 56-bit IPSec, Triple DES, or MPPE 128-bit encryption?

Question 64

NFS security is handled through the /etc/hosts.allow and the /etc/hosts.____________________ files.

Question 65

Does NFS send data in record streams instead of in bulk file streams?

Question 66

Name three of the most popular Internet browsers.

Question 67

What five types of data does CMS handle?

Question 68

Does HTTP enable the establishment of a connection, as well as provide for the exchange of resources?

Question 69

One of the functions of a remote access protocol is to ____________________ a packet formatted for a network transport protocol, so that it can be transmitted from a point at one end of a WAN to another point.

Question 70

______________________________ is a syntax for encapsulating information in an encrypted format.

Question 71

Provide five examples of vital protocols and services that users employ every day on the Internet.

Question 72

S-HTTP provides ____________________ security for HTTP-transported information, but it is only used by some vendors' applications.

Question 73

When you use a modem to connect to the Internet, you are also most likely using _________________________ for network communication.

Question 74

What are four features of HTTP/1.1?

Question 75

Do Internet browsers such as Internet Explorer, Netscape, and Mozilla all enable you to configure SSL and certificate security?

Question 76

What four types of security zones does Internet Explorer allow you to configure?

Question 77

____________________ is an application that enables the transfer of data from one remote device to another, using the TCP protocol.

Question 78

Have Netscape and Microsoft implemented S-HTTP to protect data transported via their Web browsers?

Question 79

The ________________________________________ server is used to provide authentication services for all RAS or VPN servers on a network, ensuring that a consistent remote access policy is used.

Question 80

In the ____________________ browser, security configuration is combined with privacy configuration options.