IS3445 CHAP 14 SECURING PERSONAL AND BUSINESS COMMUNICATIONS

Question 1

____ is how mobil phones handle Web and multimedia content intended for more powerful systems with larger screens.

Answer 1

Content adaptation

Question 2

____ is a delay. It can apply to the sending, processing, transmission, storage, or receiving of information.

Answer 2

Latency

Question 3

____ is a specification from the Open Mobile Alliance. The specification details implementation requirements for any organization interested in providing MMS.

Answer 3

Multimedia Messaging Service Encapsulation Protocol

Question 4

____ is presence information aggregated from several devices to a single presence status. The reported status is provided to other users.

Answer 4

(MPOP) Multiple Points of Presence

Question 5

____ is the ability and willingness of an end user to engage in communication.
The inför is controlled by the end user and gives real-time confidence that the user is accessible.

Answer 5

Presence and availability

Question 6

____ is the protocol used for streaming audio or video in packets over an IP network.

Answer 6

(RTP) Real-time Transport Protocol

Question 7

____ is a network endpoint that is enabled to function as either a SIP user agent client, or a user agent server.

Answer 7

SIP user agent (UA)

Question 8

SIP user ____ makes requests and receives responses.

Answer 8

SIP user agent client (UAC)

Question 9

SIP user ____ acts as a proxy between two SIP user agent clients for the purpose of facilitating a SIP session. This acts as both client and server to receive and forward session control requests and responses.

Answer 9

SIP user agent server (UAS)

Question 10

____ is the technique of relaying communications between two or more users by intermediate storage.
Delivery from sender to a central storage is immediate, but the final transmission to the recipient depends on availability and a request for the stored info.

Answer 10

Store-and-forward communication

Question 11

1. When information is temporarily kept at one or more middle points during transmission, that technique is called ___ communication.

Answer 11

Store-and-Forward

Question 12

2. Which of the following describes Multiple Points of Presence (MPOP)?
3. Aggregating multiple email accounts to your current logged on account
4. Aggregating presence information from multiple applications or devices
5. Dividing voice mail to lessen the risk of eavesdropping
6. Dividing MMS messages to separate text and graphics or video pieces

Answer 12

Aggregating presence information from multiple applications or devices

Question 13

3. Phishing, social engineering, and 419 scams are some of the threats encountered when using ___.

Answer 13

Email

Question 14

4. Social networking site messages or chats can be considered very private and secure.
   TRUE OR FALSE

Answer 14

FALSE

Question 15

5. Why are PBXs an attractive target to attackers?
6. Several services depend on the PBXs operation
7. Numerous protocols are involved
8. The device is usually left out in the open
9. All the above
10. 1 & 2 only

Answer 15

Several services depend on the PBXs operation

Numerous protocols are involved

Question 16

6. Store-and-forward communication is preferred over real-time communication in which environments? (Select two)
7. When delivery is unreliable
8. When the destination is not always available
9. When source and destination are not in the same country
10. When low latency is critical

Answer 16

When delivery is unreliable

When the destination is not always available

Question 17

7. Which of the following are primary threats internet in fax machines? (Select two)
8. Fax machines are too heavy for safe lifting by one person
9. Hard drives storing faxes are not wiped prior to disposal
10. Fax paper is lighter wight, posing a larger risk of paper cuts
11. Poor physical security leaves confidential faxes unprotected

Answer 17

Hard drives storing faxes are not wiped prior to disposal

Poor physical security leaves confidential faxes unprotected

Question 18

8. Which areas of concern are associated with SMS vulnerabilities?(Select two)
9. Availability
10. Integrity
11. Confidentiality
12. All the above

Answer 18

Integrity

Confidentiality

Question 19

9. SMS and MMS are primarily the same service apart from the addition of multimedia with MMS.
   TRUE OR FALSE

Answer 19

FALSE

Question 20

10. Protocols such as SIP.H323.MGCP.IP. and RTP are encountered when discussing which of the following?
11. Email
12. Voice mail
13. VoIP
14. Fax
15. SMS

Answer 20

Fax

Question 21

11. This chapter discussed which issues brought on by adding VoIP devices to an organization? (Select two)
12. Performance issues: significantly more network traffic
13. Security issues: new attack vectors and more vulnerabilities to deal with
14. User-related issues:users require additional training and might be less productive
15. Facility issues: finding the space to put the phones

Answer 21

Performance issues: significantly more network traffic

Security issues: new attack vectors and more vulnerabilities to deal with

Question 22

12. A networking method of segregating VoIP traffic from data traffic is ___.

Answer 22

Virtual local area networks or VLANs

Question 23

13. Select one way the SIP protocol does not assist with establishing a multimedia connection.
14. User availability
15. User location
16. User capabilities
17. User distance

Answer 23

User distance

Question 24

14. The SIP protocol manages multimedia sessions with features similar to how the telephone system dials, rings, and manages responses from phones.
    TRUE OR FALSE

Answer 24

TRUE

Question 25

15. The SIP session request and response messages are formed similarly to ___ messages.
16. DHCP
17. DNS
18. HTTP
19. SNMP

Answer 25

HTTP