WorksheetsMod7
Total questions: 25
Worksheet time: 25mins
Name
Class
Date
1.
What addressing information is recorded by a switch to build its MAC address table?
a)
the destination Layer 3 address of incoming packets
b)
the destination Layer 2 address of outgoing frames
c)
the source Layer 3 address of outgoing packets
d)
the source Layer 2 address of incoming frames
2.
What are the two sizes (minimum and maximum) of an Ethernet frame? (Choose two.)
a)
56 bytes
b)
64 bytes
c)
128 bytes
d)
1024 bytes
e)
1518 bytes
3.
What are two methods for switching data between ports on a switch? (Choose two.)
a)
cut-off switching
b)
cut-through switching
c)
store-and-forward switching
d)
store-and-supply switching
e)
store-and-restore switching
4.
What feature automatically negotiates the best speed and duplex setting between interconnecting devices?
a)
auto-MDIX
b)
autobots
c)
autonegotiation
d)
autotune
5.
What happens to runt frames received by a Cisco Ethernet switch?
a)
The frame is dropped.
b)
The frame is returned to the originating network device.
c)
The frame is broadcast to all other devices on the same network.
d)
The frame is sent to the default gateway.
6.
What is a function of the MAC sublayer? (Choose three.)
a)
controls access to the media
b)
checks for errors in received bits
c)
uses CSMA/CD or CSMA/CA to support Ethernet technology
d)
communicates between software at the upper layers and the device hardware at the lower layers
e)
allows multiple Layer 3 protocols to use the same network interface and media
7.
What is auto-MDIX?
a)
a type of Cisco switch
b)
an Ethernet connector type
c)
a type of port on a Cisco switch
d)
a feature that detects Ethernet cable type
8.
What is the special value assigned to the first 24 bits of a multicast MAC address transporting an IPv4 packet?
a)
01-5E-00
b)
FF-00-5E
c)
FF-FF-FF
d)
01-00-5E
9.
What statement describes a characteristic of MAC addresses?
a)
They must be globally unique.
b)
They are only routable within the private network.
c)
They are added as part of a Layer 3 PDU.
d)
They have a 32-bit binary value.
10.
What type of address is 01-00-5E-0A-00-02?
a)
an address that reaches every host inside a local subnet
b)
an address that reaches one specific host
c)
an address that reaches every host in the network
d)
an address that reaches a specific group of hosts
11.
What will a host on an Ethernet network do if it receives a frame with a unicast destination MAC address that does not match its own MAC address?
a)
It will discard the frame.
b)
It will forward the frame to the next host.
c)
It will remove the frame from the media.
d)
It will strip off the data-link frame to check the destination IP address.
12.
Which data link sublayer controls the network interface through software drivers?
a)
MAC
b)
LLC
13.
Which data link sublayer works with the upper layers to add application information for delivery of data to higher level protocols?
a)
MAC
b)
LLC
14.
Which function or operation is performed by the LLC sublayer?
a)
It performs data encapsulation.
b)
It communicates with upper protocol layers.
c)
It is responsible for media access control.
d)
It adds a header and trailer to a packet to form an OSI Layer 2 PDU.
15.
Which network device has the primary function to send data to a specific destination based on the information found in the MAC address table?
a)
hub
b)
router
c)
switch
d)
modem
16.
Which network device makes forwarding decisions based on the destination MAC address that is contained in the frame?
a)
repeater
b)
hub
c)
switch
d)
router
17.
Which part of an Ethernet Frame describes the higher-layer protocol that is encapsulated?
a)
EtherType
b)
Preamble
c)
Start of Frame Delimiter
d)
Frame Check Sequence
18.
Which part of an Ethernet Frame notifies the receiver to get ready for a new frame?
a)
Start of Frame Delimiter
b)
Frame Check Sequence
c)
Preamble
d)
Data field
19.
Which part of an Ethernet Frame uses a pad to increase the frame field to at least 64 bytes?
a)
EtherType
b)
Preamble
c)
Start of Frame Delimiter
d)
Data field
20.
Which part of an Ethernet frame detects errors in the frame?
a)
Preamble
b)
Start of Frame Delimiter
c)
Frame Check Sequence
21.
Which statement is true about MAC addresses?
a)
MAC addresses are implemented by software.
b)
A NIC only needs a MAC address if connected to a WAN.
c)
The first three bytes are used by the vendor assigned OUI.
d)
The ISO is responsible for MAC addresses regulations.
22.
Which switching method can be implemented using fast-forward switching or fragment-free switching?
a)
cut-off switching
b)
cut-through switching
c)
store-and-forward switching
d)
store-and-restore switching
23.
Which two characteristics describe Ethernet technology? (Choose two.)
a)
It is supported by IEEE 802.3 standards.
b)
It is supported by IEEE 802.5 standards.
c)
It typically uses an average of 16 Mb/s for data transfer rates.
d)
It uses the CSMA/CD access control method.
e)
It uses a ring topology.
24.
Which two functions or operations are performed by the MAC sublayer? (Choose two.)
a)
It is responsible for Media Access Control.
b)
It performs the function of NIC driver software.
c)
It adds a header and trailer to form an OSI Layer 2 PDU.
d)
It handles communication between upper and lower layers.
e)
It adds control information to network protocol layer data.
25.
Which two types of memory buffering techniques are used by switches? (Choose two.)
a)
long-term memory buffering
b)
port-based memory buffering
c)
shared memory buffering
d)
short-term memory buffering
100 %
