Network Data Communications Finals
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- 1.Security on a network not only means being able to prevent a hacker from breaking into your computer but also includes being able to recover from temporary service problems or from natural disasters.
- A.
True
- B.
False
- 2.Business continuity planning refers primarily to ensuring availability, with some aspects of data integrity.
- A.
True
- B.
False
- 3.A threat to the data communications network is any potential adverse occurrence that can do harm, interrupt the systems using the network, or cause a monetary loss to the organization.
- A.
True
- B.
False
- 4.Fault-intolerant servers contain many redundant components to prevent failure.
- A.
True
- B.
False
- 5.Often, incidents of ___________ involve employees of the organization, surprisingly enough.
- A.
Intrusion
- B.
Disruption
- C.
Controlled chaos
- D.
Destruction
- E.
Distaster
- 6.________ controls discover unwanted events.
- A.
Preventative
- B.
Corrective
- C.
Detective
- D.
Mitigating
- E.
Backup
- 7.A(n) ____________, is an information system that is critical to the survival of an organization.
- A.
Network plan
- B.
Accounting system
- C.
IDS
- D.
Mission critical application
- E.
Firewall
- 8.A(n) __________ is any potential adverse occurrence that can do harm, interrupt the system using the network to cause monetary loss to the organization.
- A.
Asset
- B.
Service level agreement
- C.
Threat
- D.
Security plan
- E.
Network design
- 9.What are the two main types of security problems?
- 10.An intruder uses TCP spoofing to send packets to a target computer requesting certain privileges be granted to some user.
- A.
True
- B.
False
- 11.A patch is a software solution to correct a security hole
- A.
True
- B.
False
- 12.A brute-force attack is a method of trying to guess the correct password by trying every possible key.
- A.
True
- B.
False
- 13.Social engineering refers to creating a team that solves virus problems.
- A.
True
- B.
False
- 14.A commodity product or service is one that is widely available and thus offers low profit margins to its providers
- A.
True
- B.
False
- 15.Disruptive Innovations (as defined by Christensen) involve radically new technologies
- A.
True
- B.
False
- 16.The traditional network design approach (used before the building block approach) worked very well for rapidly changing networks.
- A.
True
- B.
False
- 17.Today, the most expensive part of the network is the hardware.
- A.
True
- B.
False
- 18.Networks requirements can be divided into mandatory, desirable, and wish-list requirements.
- A.
True
- B.
False
- 19.The turnpike effect results when a network is used at a much lower rate than was anticipated when it was designed.
- A.
True
- B.
False
- 20.A sniffer program is a:
- A.
Type of macro-virus
- B.
Small peep-hole in a door or wall to allow a security guard to sniff the area with his or her nose before entering a secure area or location
- C.
Used in a call-back modem
- D.
A program that records all LAN messages received for later (unauthorized) analysis
- E.
Secure hub program
- 21.__________ refers to the process of translating between one set of private addresses inside a network and a set of public address outside the network.
- A.
Translation
- B.
Conversion
- C.
Network address translation
- D.
Proxy translation
- E.
IP conversion
- 22.IP spoofing means to
- A.
Fool the target computer and any intervening firewall into believing that messages from the intruder’s computer are actually coming from an authorized user inside the organization’s network
- B.
Clad or cover the internal processing (IP) lines with insulating material to shield the IP lines from excess heat or radiation
- C.
Illegally tape or listen in on telephone conversations
- D.
Detect and prevent denial-of-service attacks
- E.
Act as an intermediate host computer between the Internet and the rest of the organization’s networks
- 23.A(n) _________ is a type of application level firewall that is transparent so that no other computer notices that it is on the network.
- A.
ANI System
- B.
NAT Proxy Server
- C.
IP Spoofing Bridge
- D.
Packet level firewall
- E.
Smart hub
- 24.A way to prevent intrusion by disguising information through algorithms is:
- A.
Spoofing
- B.
Call-back access
- C.
Encryption
- D.
Disk elevatoring
- E.
Disk mirroring
- 25.The use of computer analysis techniques to gather evidence for criminal and/or civil trials is known as:
- A.
Trojan horse
- B.
Sniffing
- C.
Tunneling
- D.
Computer forensics
- E.
Misuse detection
- 26.Which of the following is not an essential characteristic of cloud computing services:
- A.
They are offered over a web interface
- B.
They are accessible over a network
- C.
Resources can be rapidly scaled in and out
- D.
One can keep precise records of resources consumption
- E.
Resources are used by multiple users at the same time
- 27.In __________, the network designer considers the relative cost of the technologies.
- A.
Technology design
- B.
Needs analysis
- C.
Narrow and deep analysis
- D.
Cost assessment
- E.
Distribution layering
- 28.In designing LAN networks, network designers tend to err on the sid of building too small a network
- A.
True
- B.
False
- 29.Which of the following are included in the key deliverable for the needs assessment stage, the set of logical network diagrams?
- A.
Applications of the proposed network
- B.
Servers in the proposed network
- C.
Circuits in the proposed network
- D.
Specific routers that have been chosen to implement the proposed network
- E.
Clients in the proposed network
- 30.Which of the following is not a main item for which network designers estimate costs for the proposed network?
- A.
Software
- B.
Hardware
- C.
Purchasing and installing circuits
- D.
Users' furniture
- E.
Circuits provided by common carriers
- 31.RFP stands for:
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