CCNA5 Chapter 5 Exam

Questão 1 de 21

1

What happens to runt frames received by a Cisco Ethernet switch?

Selecione uma das seguintes:

The frame is dropped.
The frame is returned to the originating network device.
The frame is broadcast to all other devices on the same network.
The frame is sent to the default gateway.

Explicação

Questão 2 de 21

1

What are the two sizes (minimum and maximum) of an Ethernet frame (Choose two.)

Selecione uma ou mais das seguintes:

56 bytes
64 bytes
128 bytes
1024 bytes
1518 bytes

Explicação

Questão 3 de 21

1

What statement describes Ethernet?

Selecione uma das seguintes:

It defines the most common LAN type in the world.
It is the required Layer 1 and 2 standard for Internet communication.
It defines a standard model used to describe how networking works.
It connects multiple sites such as routers located in different countries.

Explicação

Questão 4 de 21

1

Which two statements describe features or functions of the logical link control sublayer in Ethernet standards? (Choose two.)

Selecione uma ou mais das seguintes:

Logical link control is implemented in software
Logical link control is specified in the IEEE 802.3 standard.
The LLC sublayer adds a header and a trailer to the data.
The data link layer uses LLC to communicate with the upper layers of the protocol suite.
The LLC sublayer is responsible for the placement and retrieval of frames on and off the media.

Explicação

Questão 5 de 21

1

What statement describes a characteristic of MAC addresses?

Selecione uma das seguintes:

They must be globally unique.
They are only routable within the private network.
They are added as part of a Layer 3 PDU.
They have a 32-bit binary value.

Explicação

Questão 6 de 21

1

What statement is true about MAC addresses?

Selecione uma das seguintes:

MAC addresses are implemented by software.
A NIC only needs a MAC address if connected to a WAN.
The first three bytes are used by the vendor assigned OUI.
The ISO is responsible for MAC addresses regulations.

Explicação

Questão 7 de 21

1

What destination address is used in an ARP request frame?

Selecione uma das seguintes:

0.0.0.0
255.255.255.255
FFFF.FFFF.FFFF.FFFF
127.0.0.1
01-00-5E-00-AA-23

Explicação

Questão 8 de 21

1

What addressing information is recorded by a switch to build its MAC address table?

Selecione uma das seguintes:

the destination Layer 3 address of incoming packets
the destination Layer 2 address of outgoing frames
the source Layer 3 address of outgoing packets
the source Layer 2 address of incoming frames.

Explicação

Questão 9 de 21

1

Refer to the exhibit. The exhibit shows a small switched network and the contents of the MAC address table of the switch. PC1 has sent a frame addressed to PC3. What will the switch do with the frame?

Selecione uma das seguintes:

The switch will discard the frame.
The switch will forward the frame only to port 2.
The switch will forward the frame to all ports except port 4.
The switch will forward the frame to all ports.
The switch will forward the frame only to ports 1 and 3.

Explicação

Questão 10 de 21

1

Which switching method uses the CRC value in a frame?

Selecione uma das seguintes:

cut-through
fast-forward
fragment-free
store-and-forward

Explicação

Questão 11 de 21

1

What is auto-MDIX?

Selecione uma das seguintes:

a type of Cisco switch
an Ethernet connector type
a type of port on a Cisco switch
a feature that detects Ethernet cable type

Explicação

Questão 12 de 21

1

True or false
When a device is sending data to another device on a remote network, the Ethernet frame is sent to the MAC address of the default gateway.

Selecione uma das seguintes:

true
false

Explicação

Questão 13 de 21

1

The ARP table in a switch maps which two types of address together?

Selecione uma das seguintes:

Layer 3 address to a Layer 2 address
Layer 3 address to a Layer 4 address
Layer 4 address to a Layer 2 address
Layer 2 address to a Layer 4 address

Explicação

Questão 14 de 21

1

14. Refer to the exhibit. PC1 issues an ARP request because it needs to send a packet to PC2. In this scenario, what will happen next?

Selecione uma das seguintes:

PC2 will send an ARP reply with its MAC address.
RT1 will send an ARP reply with its Fa0/0 MAC address.
RT1 will send an ARP reply with the PC2 MAC address.
SW1 will send an ARP reply with the PC2 MAC address.
SW1 will send an ARP reply with its Fa0/1 MAC address.

Explicação

Questão 15 de 21

1

15. Refer to the exhibit. A switch with a default configuration connects four hosts. The ARP table for host A is shown. What happens when host A wants to send an IP packet to host D?

Selecione uma das seguintes:

Host A sends an ARP request to the MAC address of host D.
Host D sends an ARP request to host A.
Host A sends out the packet to the switch. The switch sends the packet only to the host D, which in turn responds.
Host A sends out a broadcast of FF:FF:FF:FF:FF:FF. Every other host connected to the switch receives the broadcast and host D responds with its MAC address.

Explicação

Questão 16 de 21

1

Refer to the exhibit. The switches are in their default configuration. Host A needs to communicate with host D, but host A does not have the MAC address for its default gateway. Which network hosts will receive the ARP request sent by host A?

Selecione uma das seguintes:

only host D
only router R1
only hosts A, B, and C
only hosts A, B, C, and D
only hosts B and C
only hosts B, C, and router R1

Explicação

Questão 17 de 21

1

What statement describes the treatment of ARP request on the local link?

Selecione uma das seguintes:

They must be forwarded by all routers on the local network.
They are received and processed by every device on the local network.
They are dropped by all switches on the local network.
They are received and processed only by the target device.

Explicação

Questão 18 de 21

1

What are two potential network problems that can result from ARP operation? (Choose two.)

Selecione uma ou mais das seguintes:

Manually configuring static ARP associations could facilitate ARP poisoning or MAC address spoofing.
On large networks with low bandwidth, multiple ARP broadcasts could cause data communication delays.
Network attackers could manipulate MAC address and IP address mappings in ARP messages with the intent of intercepting network traffic.
Large numbers of ARP request broadcasts could cause the host MAC address table to overflow and prevent the host from communicating on the network.
Multiple ARP replies result in the switch MAC address table containing entries that match the MAC addresses of hosts that are connected to the relevant switch port.

Explicação

Questão 19 de 21

1

Preencha o espaço em branco para completar o texto.

Fill in the blank. A collision fragment, also known as a frame, is a frame of fewer than 64 bytes in length.

Explicação

Questão 20 de 21

1

Preencha o espaço em branco para completar o texto.

Fill in the blank. On a Cisco switch, memory buffering is used to buffer frames in queues linked to specific incoming and outgoing ports.

Explicação

Questão 21 de 21

1

Preencha o espaço em branco para completar o texto.

Fill in the blank. ARP is a technique that is used to send fake ARP messages to other hosts in the LAN. The aim is to associate IP addresses to the wrong MAC addresses.

	Criado por Matthew M aproximadamente 8 anos atrás

CCNA5

CCNA5 Chapter 5 Exam

Questão 1 de 21

What happens to runt frames received by a Cisco Ethernet switch?

Selecione uma das seguintes:

Explicação

Questão 2 de 21

What are the two sizes (minimum and maximum) of an Ethernet frame (Choose two.)

Selecione uma ou mais das seguintes:

Explicação

Questão 3 de 21

What statement describes Ethernet?

Selecione uma das seguintes:

Explicação

Questão 4 de 21

Which two statements describe features or functions of the logical link control sublayer in Ethernet standards? (Choose two.)

Selecione uma ou mais das seguintes:

Explicação

Questão 5 de 21

What statement describes a characteristic of MAC addresses?

Selecione uma das seguintes:

Explicação

Questão 6 de 21

What statement is true about MAC addresses?

Selecione uma das seguintes:

Explicação

Questão 7 de 21

What destination address is used in an ARP request frame?

Selecione uma das seguintes:

Explicação

Questão 8 de 21

What addressing information is recorded by a switch to build its MAC address table?

Selecione uma das seguintes:

Explicação

Questão 9 de 21

Refer to the exhibit. The exhibit shows a small switched network and the contents of the MAC address table of the switch. PC1 has sent a frame addressed to PC3. What will the switch do with the frame?

Selecione uma das seguintes:

Explicação

Questão 10 de 21

Which switching method uses the CRC value in a frame?

Selecione uma das seguintes:

Explicação

Questão 11 de 21

What is auto-MDIX?

Selecione uma das seguintes:

Explicação

Questão 12 de 21

True or false When a device is sending data to another device on a remote network, the Ethernet frame is sent to the MAC address of the default gateway.

Selecione uma das seguintes:

Explicação

Questão 13 de 21

The ARP table in a switch maps which two types of address together?

Selecione uma das seguintes:

Explicação

Questão 14 de 21

14. Refer to the exhibit. PC1 issues an ARP request because it needs to send a packet to PC2. In this scenario, what will happen next?​

Selecione uma das seguintes:

Explicação

Questão 15 de 21

15. Refer to the exhibit. A switch with a default configuration connects four hosts. The ARP table for host A is shown. What happens when host A wants to send an IP packet to host D?

Selecione uma das seguintes:

Explicação

Questão 16 de 21

Refer to the exhibit. The switches are in their default configuration. Host A needs to communicate with host D, but host A does not have the MAC address for its default gateway. Which network hosts will receive the ARP request sent by host A?

Selecione uma das seguintes:

Explicação

Questão 17 de 21

What statement describes the treatment of ARP request on the local link?

Selecione uma das seguintes:

Explicação

Questão 18 de 21

What are two potential network problems that can result from ARP operation? (Choose two.)

Selecione uma ou mais das seguintes:

Explicação

Questão 19 de 21

Preencha o espaço em branco para completar o texto.

Fill in the blank. A collision fragment, also known as a frame, is a frame of fewer than 64 bytes in length.

Explicação

Questão 20 de 21

Preencha o espaço em branco para completar o texto.

True or false
When a device is sending data to another device on a remote network, the Ethernet frame is sent to the MAC address of the default gateway.

14. Refer to the exhibit. PC1 issues an ARP request because it needs to send a packet to PC2. In this scenario, what will happen next?