WorksheetsNetworking
Total questions: 26
Worksheet time: 13mins
Where does a computer get the MAC address?
It is built into the network interface card
The MAC address is another term for the IP address
It is generated by the frame.
The receiving computer applies a MAC address to each inbound frame
Which of the following is true of broadcast addresses?
The broadcast address is found in the sender (source) field of the MAC header.
The broadcast address is FF-FF-FF-FF-FF-FF and is the first field of a frame.
The broadcast address is FF-FF-FF-FF-FF-FF and is found in the first field (destination) of the frame.
The broadcast address is 11-11-11-11-11-11.
Which best describes a model?
The expansion of a single process step into multiple steps
A duplicate of a real object or process
A representation of a real object or process
Multiple steps of a process converted into a single step
The OSI model has ____ layers and the TCP/IP model has ____ layers.
7; 4
7; 7
4; 4
4; 7
Which protocol is connectionless?
TCP
Port Number
Well-known port
UDP
The Internet layer of the TCP model corresponds to which layer(s) of the OSI model?
Session, Presentation, and Application
Session lock
Network
Transport
What is a chunk of data that has been sent out of a NIC called?
MAC
Frame
Segment
Packet
Which of the following is not a valid network topology?
Star Bus
Bus/Linear Bus
Mesh bus
Ring
Which coaxial cable(s) have a characteristic impedance of 50 ohms?
RG-6
RG-8 and RG-58
RG-59
Coax
Which characteristic(s) make UTP and STP cables different from each other?
UTP costs more per foot than STP
UTP costs the same per foot as STP
STP has shielding, but UTP does not.
UTP supports all Ethernet speeds, but STP only supports the slower speeds.
A company uses 1 gigabit Ethernet connections initially. What category of wiring should be installed to not have to re-wire the facility when upgrading to 10 gigabits?
Cat 5e
Cat 5
Thicknet
Cat 6a
Which type of fiber optic cable supports longer run lengths?
Single-mode
Fractal-mode
Laser-mode
Multi-mode
Which of the following is not a fire rating for network cables?
Plenum
PVC
Riser
CAT 6a
Which of the following is not a characteristic of serial ports?
Sends out 8 bits at the same time on different pins
Uses DB-25 connector
Uses DB-9 connector
Uses RS-232 signaling
Which committee governs the standards of Ethernet?
IEEE 802.3
IEEE 9002
IEEE 9001
IEEE 802.11n
Which field would not be found in an Ethernet frame?
Source MAC address
Destination IP address
Destination IP address
Destination MAC address
Media Access Control (MAC) is part of which OSI layer?
Network
Physical
Data Link
Transport
Which of the following standards covers Ethernet protocols?
802.3
802.11
802.1
802.6
When securely transferring data over a network, which of the following protocols would be MOST appropriate?
SMTP
SNMP
FTP
HTTPS
When an interconnection device receives a frame of 62 octets what is likely to happen next?
The device drops the frame
The device forwards the frame
The device returns the frame to sender
The device adds 8 octets and re-transmits it
Which of the following error control techniques COULD give a false-positive result?
Checksum
CRC
Parity
Redundancy
In which of the following scenarios would it be preferable to use static routing?
Where redundancy is a priority
Routing to a stub network
In a large constantly changing network
Routing across a WAN
Which of the following is a disadvantage of using the OSPF protocol?
Hierarchical protocol
Processor intensive
Uses multicasting
Single copy of routing information
Why does contention in a network cause a slow response for users?
Networks are limited to a specific number of connections
Causes data packets to be dropped
Causes data to be corrupted
Data has to be retransmitted
Which of the following describes the effect of contention on network performance?
Increases speed of connections
Increases data integrity
Causes data loss
Latency is increased
By limiting the use of file-sharing applications and prioritising VoIP traffic, what are a network team implementing?
Route-based traffic shaping
Application-based traffic shaping
Presentation-based traffic shaping
Frame-based traffic shaping
