Refer to the exhibit. ServerB is attempting to contact HostA. Which two statements correctly identify the addressing that ServerB will generate in the process? (Choose two.)

ServerB will generate a frame with the destination MAC address of RouterB.

ServerB will generate a packet with the destination IP address of HostA.

ServerB will generate a packet with the destination IP address of RouterB.

ServerB will generate a frame with the destination MAC address of SwitchB.

ServerB will generate a packet with the destination IP address of RouterA.

Which statement accurately describes a TCP/IP encapsulation process when a PC is sending data to the network?

Segments are sent from the transport layer to the internet layer.

Data is sent from the internet layer to the network access layer.

Packets are sent from the network access layer to the transport layer.

Frames are sent from the network access layer to the internet layer.

What is used in the EUI-64 process to create an IPv6 interface ID on an IPv6 enabled interface?

the MAC address of the IPv6 enabled interface

a randomly generated 64-bit hexadecimal address

an IPv6 address that is provided by a DHCPv6 server

an IPv4 address that is configured on the interface

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?

The switch will forward the frame to all ports except port 4.

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.

The switch will forward the frame only to ports 1 and 3.

What property of ARP causes cached IP-to-MAC mappings to remain in memory longer?

Entries in an ARP table are time-stamped and are purged after the timeout expires.

A static IP-to-MAC address entry can be entered manually into an ARP table.

The type field 0x806 appears in the header of the Ethernet frame.

The port-to-MAC address table on a switch has the same entries as the ARP table on the switch.

Refer to the exhibit. What is wrong with the displayed termination?

The untwisted length of each wire is too long.

The woven copper braid should not have been removed.

The wrong type of connector is being used.

The wires are too thick for the connector that is used.

What is the purpose of the FCS field in a frame?

to determine if errors occurred in the transmission and reception

to obtain the MAC address of the sending node

to verify the logical address of the sending node

to compute the CRC header for the data field

What are two actions performed by a Cisco switch? (Choose two.)

using the source MAC addresses of frames to build and maintain a MAC address table

utilizing the MAC address table to forward frames via the destination MAC address

building a routing table that is based on the first IP address in the frame header

forwarding frames with unknown destination IP addresses to the default gateway

examining the destination MAC address to add new entries to the MAC address table

What is the purpose of ICMP messages?

to provide feedback of IP packet transmissions

to inform routers about network topology changes

to ensure the delivery of an IP packet

to monitor the process of a domain name to IP address resolution

With the use of unshielded twisted-pair copper wire in a network, what causes crosstalk within the cable pairs?

the magnetic field around the adjacent pairs of wire

the use of braided wire to shield the adjacent wire pairs

the reflection of the electrical wave back from the far end of the cable

the collision caused by two nodes trying to use the media simultaneously

What is a primary role of the Physical layer in transmitting data on the network?

create the signals that represent the bits in each frame on to the media

provide physical addressing to the devices

determine the path packets take through the network

control data access to the media

The global configuration command ip default-gateway 172.16.100.1 is applied to a switch. What is the effect of this command?

The switch can be remotely managed from a host on another network.

The switch will have a management interface with the address 172.16.100.1.

The switch can communicate with other hosts on the 172.16.100.0 network.

The switch is limited to sending and receiving frames to and from the gateway 172.16.100.1.

What happens when the transport input ssh command is entered on the switch vty lines?

Communication between the switch and remote users is encrypted.

The SSH client on the switch is enabled.

The switch requires a username/password combination for remote access.

The switch requires remote connections via a proprietary client software.

Refer to the exhibit. Consider the IP address configuration shown from PC1. What is a description of the default gateway address?

It is the IP address of the Routerl interface that connects the PC1 LAN to Routerl.

It is the IP address of the Router1 interface that connects the company to the Internet.

It is the IP address of Switch1 that connects PC1 to other devices on the same LAN.

It is the IP address of the ISP network device located in the cloud.

What are two functions of NVRAM? (Choose two.)

to retain contents when power is removed

to store the startup configuration file

to contain the running configuration file

What function does pressing the Tab key have when entering a command in IOS?

It completes the remainder of a partially typed word in a command.

It aborts the current command and returns to configuration mode.

It exits configuration mode and returns to user EXEC mode.

It moves the cursor to the beginning of the next line.

What command will prevent all unencrypted passwords from displaying in plain text in a configuration file?

(config)# service password-encryption

(config)# enable password secret

(config)# enable secret Secret_Password

(config)# enable secret Encrypted_Password

How is SSH different from Telnet?

SSH provides security to remote sessions by encrypting messages and using user authentication. Telnet is considered insecure and sends messages in plaintext.

SSH makes connections over the network, whereas Telnet is for out-of-band access.

SSH requires the use of the PuTTY terminal emulation program. Tera Term must be used to connect to devices through the use of Telnet.

SSH must be configured over an active network connection, whereas Telnet is used to connect to a device from a console connection.

What will happen if the default gateway address is incorrectly configured on a host?

The host cannot communicate with hosts in other networks.

The host cannot communicate with other hosts in the local network.

The switch will not forward packets initiated by the host.

The host will have to use ARP to determine the correct address of the default gateway.

A ping from the host to 127.0.0.1 would not be successful.

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

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.

Manually configuring static ARP associations could facilitate ARP poisoning or MAC address spoofing.

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.

Within a production network, what is the purpose of configuring a switch with a default gateway address?

The default gateway address is used to forward packets originating from the switch to remote networks.

Hosts that are connected to the switch can use the switch default gateway address to forward packets to a remote destination.

A switch must have a default gateway to be accessible by Telnet and SSH.

It provides a next-hop address for all traffic that flows through the switch.

What is the effect of using the Router# copy running-config startup-config command on a router?

The contents of NVRAM will change.

The contents of ROM will change.

The contents of RAM will change.

The contents of flash will change.

NWC204_FA24_B5_FE_311611

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50 questions

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MULTIPLE SELECT QUESTION

30 sec • 1 pt

Which three fields are used in a UDP segment header? (Choose three.)

Window Size

Length

Source Port

Acknowledgment Number

Checksum

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which factor determines TCP window size?

the amount of data to be transmitted

the number of services included in the TCP segment

the amount of data the destination can process at one time

the amount of data the source is capable of sending at one time

MULTIPLE SELECT QUESTION

30 sec • 1 pt

What are three responsibilities of the transport layer? (Choose three.)

meeting the reliability requirements of applications, if any

multiplexing multiple communication streams from many users or applications on the same network

identifying the applications and services on the client and server that should handle transmitted data

directing packets towards the destination network

formatting data into a compatible form for receipt by the destination devices

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does a client do when it has UDP datagrams to send?

It just sends the datagrams.

It queries the server to see if it is ready to receive data.

It sends a simplified three-way handshake to the server.

It sends to the server a segment with the SYN flag set to synchronize the conversation.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When 2 or more bits in a data unit has been changed during the transmission, the error is called:

random error

burst error

inverted error

double error

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the function of the CRC value that is found in the FCS field of a frame?

to verify the integrity of the received frame

to verify the physical address in the frame

to verify the logical address in the frame

to compute the checksum header for the data field in the frame

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is contained in the trailer of a data-link frame?

logical address

physical address

data

error detection

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NWC204_FA24_B5_FE_311611

Which three fields are used in a UDP segment header? (Choose three.)

Which factor determines TCP window size?

What are three responsibilities of the transport layer? (Choose three.)

What does a client do when it has UDP datagrams to send?

When 2 or more bits in a data unit has been changed during the transmission, the error is called:

What is the function of the CRC value that is found in the FCS field of a frame?

What is contained in the trailer of a data-link frame?

Refer to the exhibit. ServerB is attempting to contact HostA. Which two statements correctly identify the addressing that ServerB will generate in the process? (Choose two.)

Which statement accurately describes a TCP/IP encapsulation process when a PC is sending data to the network?

What method can be used by two computers to ensure that packets are not dropped because too much data is being sent too quickly?

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