Question 1

When a campus network has many network nodes, the network designer may consider a hierarchical topology with:

Accepted Answer

A)  access, trunk, and core layers 
B)  access, distribution, and root layers 
C)  access, distribution, and core layers 
D)  trunk, distribution, and root layers 
E)  access, distribution, and trunk layers 
A)  access, trunk, and core layers 
B)  access, distribution, and root layers 
C)  access, distribution, and core layers 
D)  trunk, distribution, and root layers 
E)  access, distribution, and trunk layers C

Question 2

Layer 2 Ethernet switches _______

Accepted Answer

A)  Have frequent collisions. 
B)  Can have an active loop between two stations. 
C)  Broadcast messages to all participants. 
D)  Connect workstations in a dual-ring structure. 
E)  Use MAC addresses for frame delivery. 
A)  Have frequent collisions. 
B)  Can have an active loop between two stations. 
C)  Broadcast messages to all participants. 
D)  Connect workstations in a dual-ring structure. 
E)  Use MAC addresses for frame delivery. E

Question 3

In implementing VLANs, the switch port can be a(n):

Accepted Answer

A)  access port or dynamic port 
B)  access port or trunk port 
C)  trunk port or dynamic port 
D)  static port or trunk port 
E)  access port or static port 
A)  access port or dynamic port 
B)  access port or trunk port 
C)  trunk port or dynamic port 
D)  static port or trunk port 
E)  access port or static port B

Question 4

The Ethernet frame has several fields in its header and trailer. Choose an INCORRECT description of each field.

Accepted Answer

A)  Preamble: synchronizes the clock speed between communicating nodes 
B)  Start Frame Delimiter: indicates the starting point of a frame 
C)  TPID: indicate presence of link aggregation 
D)  PAD: used if the data field is too small to meet the minimum size requirement 
E)  Frame Check Sequence: contains an error detection code 
A)  Preamble: synchronizes the clock speed between communicating nodes 
B)  Start Frame Delimiter: indicates the starting point of a frame 
C)  TPID: indicate presence of link aggregation 
D)  PAD: used if the data field is too small to meet the minimum size requirement 
E)  Frame Check Sequence: contains an error detection code

Question 5

The default VLAN, data VLAN, and _______ are three main types of the VLAN:

Accepted Answer

A)  voice VLAN 
B)  security VLAN 
C)  surveillance VLAN 
D)  storage VLAN 
E)  broadcasting VLAN 
A)  voice VLAN 
B)  security VLAN 
C)  surveillance VLAN 
D)  storage VLAN 
E)  broadcasting VLAN

Question 6

Refer to the figure below.   Which physical links should carry tagged Ethernet frames when PC3 and PC6 communicate?

Accepted Answer

A)  A, B, C, and D 
B)  A and D only 
C)  B and C only 
D)  A, B, and C 
E)  B,C, and D 
A)  A, B, C, and D 
B)  A and D only 
C)  B and C only 
D)  A, B, and C 
E)  B,C, and D

Question 7

Refer to the Figure below.   AT LEAST how many ports of Switch B should be configured as an access port?

Accepted Answer

A)  2 
B)  3 
C)  4 
D)  6 
E)  9 
A)  2 
B)  3 
C)  4 
D)  6 
E)  9

Question 8

If a station broadcasts a frame, what will be the destination MAC address?

Accepted Answer

A)  FF-FF-FF-FF-FF-FF 
B)  FF-FF-FF-00-00-00 
C)  00-00-00-FF-FF-FF 
D)  00-00-00-00-00-00 
E)  AA-AA-AA-AA-AA-AA 
A)  FF-FF-FF-FF-FF-FF 
B)  FF-FF-FF-00-00-00 
C)  00-00-00-FF-FF-FF 
D)  00-00-00-00-00-00 
E)  AA-AA-AA-AA-AA-AA

Question 9

Sub-interfaces of a router are used for ________.

Accepted Answer

A)  link aggregation 
B)  inter-VLAN routing 
C)  VLAN tagging 
D)  removal of path redundancy 
E)  layer 3 switching 
A)  link aggregation 
B)  inter-VLAN routing 
C)  VLAN tagging 
D)  removal of path redundancy 
E)  layer 3 switching

Question 10

Why end users (not IT staff) should NOT be allowed to install network nodes themselves?

Accepted Answer

A)  Unintended link redundancy and loops can be introduced. 
B)  That practice puts financial burden on a business organization. 
C)  That affects the integrity of structured cabling. 
D)  The additional traffic generated slows network performance. 
E)  That makes the horizontal cabling less reliable. 
A)  Unintended link redundancy and loops can be introduced. 
B)  That practice puts financial burden on a business organization. 
C)  That affects the integrity of structured cabling. 
D)  The additional traffic generated slows network performance. 
E)  That makes the horizontal cabling less reliable.

Question 11

Bridge Protocol Data Unit (BPDU) carries information relevant to (the) _________.

Accepted Answer

A)  link aggregation 
B)  VLAN configuration 
C)  VLAN tagging 
D)  inter-VLAN routing 
E)  redundant path identification 
A)  link aggregation 
B)  VLAN configuration 
C)  VLAN tagging 
D)  inter-VLAN routing 
E)  redundant path identification

Question 12

Refer to the figure below.   The switching table of the core layer switch should has to have _____ entries to prevent unwanted broadcasting of an incoming frame.

Accepted Answer

A)  2 
B)  3 
C)  4 
D)  6 
E)  7 
A)  2 
B)  3 
C)  4 
D)  6 
E)  7

Question 13

When switches are interconnected in a hierarchical topology, switches in this layer can be configured so that unauthorized computers (or other host types) are prevented from joining the network.

Accepted Answer

A)  trunk layer 
B)  access layer 
C)  core layer 
D)  distribution layer 
E)  root layer 
A)  trunk layer 
B)  access layer 
C)  core layer 
D)  distribution layer 
E)  root layer

Question 14

Choose a CORRECT statement on VLANs.

Accepted Answer

A)  Layer 2 switches can forward frames across different VLANs. 
B)  With VLANs, cut-through switching should be used to minimize transmission delays. 
C)  VLAN tagging information is added to the Ethernet frame by host computers. 
D)  A host can be attached to a trunk port of a switch for data transmissions. 
E)  A switch port may be either an access or a trunk port, but not both at the same time. 
A)  Layer 2 switches can forward frames across different VLANs. 
B)  With VLANs, cut-through switching should be used to minimize transmission delays. 
C)  VLAN tagging information is added to the Ethernet frame by host computers. 
D)  A host can be attached to a trunk port of a switch for data transmissions. 
E)  A switch port may be either an access or a trunk port, but not both at the same time.

Question 15

The Ethernet frame has several fields in its header and trailer. Choose an INCORRECT description.

Accepted Answer

A)  Preamble: synchronizes the clock speed between communicating nodes 
B)  Start Frame Delimiter: indicates the starting point of a frame 
C)  Source/Destination Address: 48 bit MAC addresses 
D)  PAD: used if the data field is too small to meet the minimum size requirement 
E)  Frame Check Sequence: indicates the end of a frame 
A)  Preamble: synchronizes the clock speed between communicating nodes 
B)  Start Frame Delimiter: indicates the starting point of a frame 
C)  Source/Destination Address: 48 bit MAC addresses 
D)  PAD: used if the data field is too small to meet the minimum size requirement 
E)  Frame Check Sequence: indicates the end of a frame

Question 16

In switched Ethernet, VLAN trunking becomes possible with the ______ mechanism.

Accepted Answer

A)  VLAN priority 
B)  Inter-VLAN routing 
C)  Spanning Tree Protocol 
D)  VLAN tagging 
E)  link redundancy 
A)  VLAN priority 
B)  Inter-VLAN routing 
C)  Spanning Tree Protocol 
D)  VLAN tagging 
E)  link redundancy

Question 17

EQUIP Co's Ethernet LAN (in the textbook) was divided into a production network and a _________:

Accepted Answer

A)  security protection network 
B)  building maintenance network 
C)  video surveillance network 
D)  facility management network 
E)  virtual LANs 
A)  security protection network 
B)  building maintenance network 
C)  video surveillance network 
D)  facility management network 
E)  virtual LANs

Question 18

Which concept is IRRELEVANT to the Spanning Tree Protocol?

Accepted Answer

A)  Link redundancy 
B)  Bridge Protocol Data Unit (BPDU) 
C)  Blocking state of a port 
D)  Forwarding state of a port 
E)  Link aggregation 
A)  Link redundancy 
B)  Bridge Protocol Data Unit (BPDU) 
C)  Blocking state of a port 
D)  Forwarding state of a port 
E)  Link aggregation

Question 19

Which protocol is used to detect and remove redundant links within a switched Ethernet?

Accepted Answer

A)  Link aggregation protocol 
B)  Spanning tree protocol 
C)  CSMA/CD protocol 
D)  VLAN trunking protocol 
E)  Link layer control (LL
C)  protocol 
A)  Link aggregation protocol 
B)  Spanning tree protocol 
C)  CSMA/CD protocol 
D)  VLAN trunking protocol 
E)  Link layer control (LL
C)  protocol

Question 20

Refer to the figure below.   It highlights a potential problem of Ethernet. What can it be?

Accepted Answer

A)  Need for link aggregation between switches 
B)  Redundancy in active paths 
C)  Absence of a router for inter-VLAN routing 
D)  Convergence failure of Spanning Tree Protocol (STP) 
E)  Need for creating virtual LANs 
A)  Need for link aggregation between switches 
B)  Redundancy in active paths 
C)  Absence of a router for inter-VLAN routing 
D)  Convergence failure of Spanning Tree Protocol (STP) 
E)  Need for creating virtual LANs

When a campus network has many network nodes, the network designer may consider a hierarchical topology with:

Layer 2 Ethernet switches _______

In implementing VLANs, the switch port can be a(n):

The Ethernet frame has several fields in its header and trailer. Choose an INCORRECT description of each field.

The default VLAN, data VLAN, and _______ are three main types of the VLAN:

Refer to the figure below. Which physical links should carry tagged Ethernet frames when PC3 and PC6 communicate?

Refer to the Figure below. AT LEAST how many ports of Switch B should be configured as an access port?

If a station broadcasts a frame, what will be the destination MAC address?

Sub-interfaces of a router are used for ________.

Why end users (not IT staff) should NOT be allowed to install network nodes themselves?

Bridge Protocol Data Unit (BPDU) carries information relevant to (the) _________.

Refer to the figure below. The switching table of the core layer switch should has to have _____ entries to prevent unwanted broadcasting of an incoming frame.

When switches are interconnected in a hierarchical topology, switches in this layer can be configured so that unauthorized computers (or other host types) are prevented from joining the network.

Choose a CORRECT statement on VLANs.

The Ethernet frame has several fields in its header and trailer. Choose an INCORRECT description.

In switched Ethernet, VLAN trunking becomes possible with the ______ mechanism.

EQUIP Co's Ethernet LAN (in the textbook) was divided into a production network and a _________:

Which concept is IRRELEVANT to the Spanning Tree Protocol?

Which protocol is used to detect and remove redundant links within a switched Ethernet?

Refer to the figure below. It highlights a potential problem of Ethernet. What can it be?

Networking: Fundamental Concepts

Cybersecurity: Fundamentals

Essential Layers of Computer Networking

Ip Address Planning and Management

Intermediary Devices

Wi-Fi and Cellular Network

Cybersecurity: Threats

Cybersecurity: Network and Host Protection

Cybersecurity: Data Protection

Fundamentals of Packet Routing

Wide Area Network

Physical Layer Data Transmissions

Enterprise Network: LAN Topology, Routing, and Connectivity

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Exam 7: Ethernet Lan

When a campus network has many network nodes, the network designer may consider a hierarchical topology with:

Layer 2 Ethernet switches _______

In implementing VLANs, the switch port can be a(n):

The Ethernet frame has several fields in its header and trailer. Choose an INCORRECT description of each field.

The default VLAN, data VLAN, and _______ are three main types of the VLAN:

Refer to the figure below. Which physical links should carry tagged Ethernet frames when PC3 and PC6 communicate?

Refer to the Figure below. AT LEAST how many ports of Switch B should be configured as an access port?

If a station broadcasts a frame, what will be the destination MAC address?

Sub-interfaces of a router are used for ________.

Why end users (not IT staff) should NOT be allowed to install network nodes themselves?

Bridge Protocol Data Unit (BPDU) carries information relevant to (the) _________.

Refer to the figure below. The switching table of the core layer switch should has to have _____ entries to prevent unwanted broadcasting of an incoming frame.

When switches are interconnected in a hierarchical topology, switches in this layer can be configured so that unauthorized computers (or other host types) are prevented from joining the network.

Choose a CORRECT statement on VLANs.

The Ethernet frame has several fields in its header and trailer. Choose an INCORRECT description.

In switched Ethernet, VLAN trunking becomes possible with the ______ mechanism.

EQUIP Co's Ethernet LAN (in the textbook) was divided into a production network and a _________:

Which concept is IRRELEVANT to the Spanning Tree Protocol?

Which protocol is used to detect and remove redundant links within a switched Ethernet?

Refer to the figure below. It highlights a potential problem of Ethernet. What can it be?

Networking: Fundamental Concepts

Cybersecurity: Fundamentals

Essential Layers of Computer Networking

Ip Address Planning and Management

Intermediary Devices

Wi-Fi and Cellular Network

Cybersecurity: Threats

Cybersecurity: Network and Host Protection

Cybersecurity: Data Protection

Fundamentals of Packet Routing

Wide Area Network

Physical Layer Data Transmissions

Enterprise Network: LAN Topology, Routing, and Connectivity

Filters