Network Flashcards
Thick ethernet cables use what type of connector?
A) BNC
B) DX
C) AUI
D) RJ45
BNC
A 10base2 cable is connected to a NIC using what type of connector
BNC
Fast ethernet is also called
100-Mbps Ethernet
On a null modem cable the following wires are cross connected
2 and 3
max recommended length of a complete SCSI chain is _____?
15 ft
Which system can be classified as a bus topology?
A) Ethernet
B) Token Ring
C) Arcnet
D) Fiberlink
ethernet
Thinnet ethernet boasts the following advantages over thicknet
better bend radius
Which DOS command can be used to test the connection between 2 devices on an ethernet network if the TCP/IP address of the device is known
ping
what is broadcast loopback IP address
127.0.0.1
which of the following IPV4 address is the loopback address
127.0.0.1
What is the size of todays standard IPV4 IP addresses
4 bytes 32bits
ARCNet can be classified as what topology
bus or star or mixture
Which type of network only lets clients transmit data when they have a turn
token ring
what is basic unit of ethernet traffic?
A) Frame
B) File
C) Stream
D) Packet
frame
which system can be classified as a star topology by mistake
token ring
client / server LAN
employs dedicated station as a server
when connecting two hubs together us a ___
patch cable
why does fiber optic cable has a high degree of data security as far as data communication are concerned?
A) loses signal strength when tapped into; does not radiate signal; does not tap easily
B) loses signal strength when tapped into
C) does not radiate signal
D) does not tap easily
loses signal strength when tapped into; does not radiate signal; does not tap easily
in a token ring enviroment
token is passed counter-clockwise around the ring
twisted pair network uses ____ conductors
10base T
transferring an entire data word over serial conductors at one time is what type of communication
parallel
When connecting two hubs together use a ___cable
cross over
What is most common type of LAN topology
Star
Broadcast loopback IP address is 10.10.10.1.
False
Loop back address is 127.0.0.1
On a serial data analyzer, alpha-numeric characters appear in the “sent” data field and blinking hex characters appear in the “receive” data field. Why?
received data does not match protocol
What is a modem?
modulates RS-232 digital data for transmission; De-modulates phone line data into RS-232 digital data; connects to an RS-232
What is used to boost a digital signal?
A) repeater
B) Booster
C) Amplifier
D) Multiplier
Repeater
The recommended maximum length of an RS-232 serial connection is?
A) 50 feet (15M)
B) 10 feet (3M)
C) 25 feet ( 8.5 M)
D) 100 feet (33M)
50 feet (15M)
An RJ-45 connector is most commonly used with?
A) Unshielded twisted pair cable
B) Disk drive units
C) Fiber Optic cable
D) Coaxial cable
Unshielded twisted pair cable
Maximum length of 10Base-2 Ethernet network segment is?
A) 185M
B) 15M
C) 520M
D) 1050M
185M
What protocol is required for internet access?
A) TCP/IP
B) NetBEUI
C) FTP
D) HTTP
TCP/IP
To connect your PC to a network you will need a _____?
Network interface card (NIC)
Characteristics of 10Base2 cable?
185 Meters, 10Mbps