Practice Test: Question Set - 22
1. What frequency range is used for FM radio transmission?
- (A) Very Low
Frequency : 3 kHz to 30 kHz
- (B) Low
Frequency : 30 kHz to 300 kHz
- (C) High
Frequency : 3 MHz to 30 MHz
- (D) Very High
Frequency : 30 MHz to 300 MHz
2. UDP is:
- (A) Not a part
of the TCP/IP suite
- (B) Connection
oriented and unreliable
- (C) Connection
orientated and reliable
- (D) Connectionless
and unreliable
3. X.21 is
- (A) A method of
determining which device has access to the transmission medium at any time
- (B) A
method access control technique for multiple-access transmission media
- (C) A
very common bit-oriented data link protocol issued by ISO
- (D) Network
access standard for connecting stations to a circuit-switched network
4. A central computer surrounded by one or more satellite computers is called a
- (A) Bus
network
- (B) Ring
network
- (C) Star
network
- (D) All
of the above
5. Which of the following is an example of a client-server model?
- (A) TELNET
- (B) FTP
- (C) DNS
- (D) All
of the above
6. Working of the WAN generally involves
- (A) Telephone
lines
- (B) Microwaves
- (C) Satellites
- (D) All of the
above
7. Which of the following statement is incorrect?
- (A) The
Addresses Resolution Protocol, ARP, allows a host to find the physical address
of a target host on the same physical network, given only the target IP
address.
- (B) The sender's
IP - to- physical address binding is included in every ARP broadcast; receivers
update the IP-to-Physical address binding information in their cache before
processing an ARP packet.
- (C) ARP is a
low-level protocol that hides the underlying network physical addressing,
permitting us to assign IP-addresses of our choice to every machine.
- (D) All of the
above
8. Alice is setting up a small network in her home so that she can study for her MCSE exams. She doesn't have a lot of money to spend on hardware, so she wants to use a network topology that requires the least amount of hardware possible. Which topology should she select?
- (A) Star
- (B) Right
- (C) Token-Ring
- (D) Bus
9. A 6-MHz channel is used by a digital signaling system utilizing 4-level signals. What is the maximum possible transmission rate?
- (A) 1.5
Mbaud/sec
- (B) 6 Mband/sec
- (C) 12 Mbaud/sec
- (D) 24 Mbaud/sec
10. What are the data transmission channels available for carrying data from one location to another?
- (A) Narrowband
- (B) Voice-band
- (C) Broadband
- (D) All of the
above
11. An international standard, multilevel set of protocols to promote compatibility among telecommunications networks. Select the best fit for answer:
- (A) Network
Server
- (B) Virtual
Private Network
- (C) Network
operating system
- (D) OSI
12. Who originally designed TCP/IP?
- (A) The
Department of Defense
- (B) Novell
- (C) IBM
- (D) Xerox
13. A machine that connects to two or more electronic mail systems and transfers mail messages among them is known as
- (A) Gateways
- (B) Mail
gateway
- (C) Bridges
- (D) User Agent
14. You are working with a network that has the network ID 10.9.0.0 and contains 73 networks. In the next year, you will be adding an additional 27 branch offices to your company. For simplified management, you want to keep the most possible hosts per subnet. Which subnet mask should you management, you want to keep the most possible hosts per subnet. Which subnet mask should you use?
- (A) 255.224.0.0
- (B) 255.240.0.0
- (C) 255.248.0.0
- (D) 255.254.0.0
15. Which of the following statement is incorrect?
- (A) The
transport layer provides for any format, translationer code conversion
necessary to put the data into an intelligible format.
- (B) The
presentation layer transforms information from machine format to the
understandable format.
- (C) The data
link layer handles the transfer of data between the ends of a physical link.
- (D) All of the
above
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