Business Data Communications Chapter 13 , 14 & 15

____ scanning works by recognizing the unique pattern of a virus.​ a.​Frequency-based b.​Amplitude-based c.​Signature-based d.​Time-based

c.​Signature-based

Many certificates conform to the ____ standard.​ a.​X.409 b.​X.309 c.​X.609 d.​X.509

d.​X.509

A ____ map can show how individual workstations or groups of workstations are clustered with switches, routers, hubs, and server farms.

local area detailed connectivity

When a company is evaluating a project's ____ feasibility, the company must ask: Can the proposed system be designed, built, tested, and installed in an amount of time that all parties find reasonable and to which they can agree?​

operational

The intent of SDLC is for ____ not to be disjointed steps in a big plan, but overlapping layers of activity.​

phases

If e-mail messages have a return address of someone other than the person actually sending the e-mail, then the sender is ____.​ a.​spoofing b.​firewalling c.​e-mail bombing d.​smurfing

a.​spoofing

____ involves electronically monitoring data flow and system requests into and out of their systems.​ a.​Routers b.​Intrusion detection c.​Firewalls d.​Worms

b.​Intrusion detection

The concept of two keys, public and private, is called ____ cryptography.​ a.​symmetric b.​public key c.​secret key d.​private key

b.​public key

A ____ cipher is different from a substitution-based cipher in that the order of the plaintext is not preserved.​ a.​monoalphabetic b.​transposition-based c.​polyalphabetic d.​multialphabetic

b.​transposition-based

To learn new skills and demonstrate proficiency within a particular area, the network administrator can obtain ____.​

certification

____ is the name of a particularly nasty automated program that attacks a network by exploiting Internet Protocol (IP) broadcast addressing and other aspects of Internet operation.​ a.​Spoofing b.​E-mail bombing c.​Firewalling d.​Smurfing

d.​Smurfing

____ usually involves having a software program that monitors every transaction within a system.​ a.​Computer auditing b.​Firewalling c.​Routing d.​Access rights

a. Computer auditing