System Architecture

1. The set of software layers that implement access to remote resources
through a LAN or WAN is called a(n) ____.
a. protocol stack
b. open data interface
c. static connection
d. dynamic connection

2. An operating system that implements ____ hides the location of
resources and services from users and application programs.
a. network driver interface specification (NDIS)
b. open data interface (ODI)
c. transport layer interface (TLI)
d. network transparency

3. What is a unique combination of an IP number and a port number?
a. Socket
b. port address
c. IP address
d. Packet

4. What is an RPC?
a. Remote Procedure Condition
b. Removable Procedure Call
c. Remote Procedure Call
d. Removable Procedure Condition
5. What is the URL component labeled ??? in the figure above?
a. Socket number
b. port number
c. Pipe number
d. protocol number




6. What is the software labeled ??? in the figure above?
a. resource registry
b. Object request broker
c. IMAP client
d. Web browser
7. Which of the following is a distributed component infrastructure
standard developed and supported by Microsoft?
a. COM+
b. CORBA
c. ORB
d. SOAP

8. Which of the following is a distributed component infrastructure
standard developed and supported by a consortium of companies
and organizations other than Microsoft?
a. COM+
b. CORBA
c. DCOM
d. DCOM+

9. Which of the following is a vendor-independent directory services
standard based on the earlier X.500 standard.
a. Active Directory
b. LDAP
c. NDS
d. DCE

10. A(n) component's ____ is the set of services it provides or tasks it
performs.
a. design
b. view layer
c. objectclass
d. interface

11. A(n) ____ is a private network that uses Internet protocols but is
accessible only by a limited set of internal users.
a. WWW
b. intranet
c. Telnet
d. SMTP

12. Which of the following fire protection materials is the most serious
electrical hazard?
a. carbon dioxide
b. powders
c. retardant foams
d. water
13. Which of the following is not a step in the acquisition process for
hardware and system software?
a. determine applications that the hardware and systems
software will support
b. draft and circulate an RFP
c. specify hardware and software capability and capacity
requirements
d. develop organization-wide standards for hardware and
system software

14. Which of the following is not usually a part of an RFP?
a. identification of RFP originator
b. timing requirements for responses
c. evaluation criteria
d. list of preferred vendors




15. What is the component labeled ??? in the figure above?
a. proxy server
b. Kerberos server
c. Application firewall
d. UPS

16. Which of the following is the simplest firewall type?
a. Application
b. packet-filtering
c. proxy server
d. Stateful

17. Estimating computer requirements calls for which of the following
mathematical models?
a. Resource availability model
b. Resource allocation model
c. RFP model
d. CPU model
18. Which of the following is not used to measure resource demand and
utilization?
a. Hardware monitors
b. Software monitors
c. System monitors
d. Program profilers

19. Which of the following is not used to perform biometric
authentication?
a. Fingerprint
b. Password
c. Facial scan
d. Retinal scan

20. What normally occurs when a device that requires a large amount of
power is started?
a. Power surges
b. Brownouts
c. Power sags
d. Voltage sags