Host A is communicating with the server. What will be the source MAC address of the frames received by Host A from the server?

the MAC address of router interface e0

the MAC address of router interface e1

the MAC address of the server network interface

Host 1 is trying to communicate with Host 2. The e0 interface on Router C is down. Which of the following are true? (Choose two.)

Router C will use ICMP to inform Host 1 that Host 2 cannot be reached.

Router C will send a Destination Unreachable message type.

Router C will use ICMP to inform Router B that Host 2 cannot be reached.

Router C will use ICMP to inform Host 1, Router A, and Router B that Host 2 cannot be reached.

Router C will send a Router Selection message type.

In an Ethernet network, under what two scenarios can devices transmit? (Choose two.)

when they detect no other devices are sending

when they receive a special token

What is the difference between a CSU/DSU and a modem?

A CSU/DSU converts digital signals from a router to a leased line; a modem converts digital signals from a router to a phone line.

A CSU/DSU converts analog signals from a router to a leased line; a modem converts analog signals from a router to a leased line.

A CSU/DSU converts analog signals from a router to a phone line; a modem converts digital signals from a router to a leased line.

A CSU/DSU converts digital signals from a router to a phone line; a modem converts analog signals from a router to a phone line.

Which destination addresses will be used by Host A to send data to Host C? (Choose two.)

the MAC address of the router's E0 interface

What two results would occur if the hub were to be replaced with a switch that is configured with one Ethernet VLAN? (Choose two.)

The number of collision domains would increase.

The number of broadcast domains would remain the same

The number of collision domains would remain the same.

The number of collision domains would decrease.

The number of broadcast domains would decrease.

Which three statements accurately describe Layer 2 Ethernet switches? (Choose three.)

Establishing VLANs increases the number of broadcast domains.

Microsegmentation decreases the number of collisions on the network.

In a properly functioning network with redundant switched paths, each switched segment will contain one root bridge with all its ports in the forwarding state. All other switches in that broadcast domain will have only one root port.

Spanning Tree Protocol allows switches to automatically share VLAN information.

Switches that are configured with VLANs make forwarding decisions based on both Layer 2 and Layer 3 address information.

Based on the information given, which switch will be elected root bridge and why?

Switch C, because it has the lowest priority

Switch A, because it has the lowest MAC address

Switch A, because it is the most centrally located switch

Switch B, because it has the highest MAC address

Switch C, because it is the most centrally located switch

A router has two Fast Ethernet interfaces and needs to connect to four VLANs in the local network. How can you accomplish this task, using the fewest physical interfaces and without decreasing network performance?

Implement a router-on-a-stick configuration.

Use a hub to connect the four VLANS with a Fast Ethernet interface on the router.

Add a second router to handle the VLAN traffic.

Add two more Fast Ethernet interfaces.

What will Router1 do when it receives the data frame shown? (Choose three.)

Router1 will strip off the source MAC address and replace it with the MAC address 0000.0c36.6965.

Router1 will strip off the destination MAC address and replace it with the MAC address 0000.0c07.4320.

Router1 will forward the data packet out interface FastEthernet0/2.

Router1 will strip off the source IP address and replace it with the IP address 192.168.40.1.

Router1 will strip off the destination IP address and replace it with the IP address of 192.168.40.1.

Which of the following statements describe the network shown in the graphic? (Choose two.)

There are two broadcast domains in the network.

There are seven collision domains in the network.

There are four broadcast domains in the network.

There are six broadcast domains in the network.

There are four collision domains in the network.

Which of the following correctly describe steps in the OSI data encapsulation process? (Choose two.)

The transport layer divides a data stream into segments and may add reliability and flow control information.

Packets are created when the network layer adds Layer 3 addresses and control information to a segment.

The data link layer adds physical source and destination addresses and an FCS to the segment.

Packets are created when the network layer encapsulates a frame with source and destination host addresses and protocol-related control information.

The presentation layer translates bits into voltages for transmission across the physical link.

A frame on VLAN 1 on switch S1 is sent to switch S2 where the frame is received on VLAN 2. What causes this behavior?

allowing only VLAN 2 on the destination

VLANs that do not correspond to a unique IP subnet

Which three of these statements regarding 802.1Q trunking are correct? (Choose three.)

802.1Q native VLAN frames are untagged by default.

802.1Q trunks can use 10 Mb/s Ethernet interfaces.

802.1Q trunks should have native VLANs that are the same at both ends.

802.1Q trunking ports can also be secure ports.

802.1Q trunks require full-duplex, point-to-point connectivity.

All switch ports are assigned to the correct VLANs, but none of the hosts connected to SwitchA can communicate with hosts in the same VLAN connected to SwitchB. Based on the output shown, what is the most likely problem?

The link between the switches needs to be configured as a trunk.

The access link needs to be configured in multiple VLANs.

The link between the switches is configured in the wrong VLAN.

VTP is not configured to carry VLAN information between the switches.

Switch IP addresses must be configured in order for traffic to be forwarded between the switches.

Which statement about VLAN operation on Cisco Catalyst switches is true?

Unknown unicast frames are retransmitted only to the ports that belong to the same VLAN.

When a packet is received from an 802.1Q trunk, the VLAN ID can be determined from the source MAC address and the MAC address table.

Broadcast and multicast frames are retransmitted to ports that are configured on different VLAN.

Ports between switches should be configured in access mode so that VLANs can span across the ports.

The output that is shown is generated at a switch. Which three statements are true? (Choose three.)

All ports will be in a state of discarding, learning, or forwarding.

The bridge priority is lower than the default value for spanning tree.

All designated ports are in a forwarding state.

Thirty VLANs have been configured on this switch.

All interfaces that are shown are on shared media.

Switch port FastEthernet 0/24 on ALSwitch1 will be used to create an IEEE 802.1Q- compliant trunk to another switch. Based on the output shown, what is the reason the trunk does not form, even though the proper cabling has been attached?

The port is currently configured for access mode.

VLANs have not been created yet.

An IP address must be configured for the port.

The correct encapsulation type has not been configured.

The “no shutdown” command has not been entered for the port.

Given the output shown from this Cisco Catalyst 2950, what is the reason that interface FastEthernet 0/10 is not the root port for VLAN 2?

This switch interface has a higher path cost to the root bridge than another in the topology.

This switch has more than one interface connected to the root network segment in VLAN 2.

This switch is running RSTP while the elected designated switch is running 802.1d Spanning Tree.

This switch has a lower bridge ID for VLAN 2 than the elected designated switch.

Given this output for SwitchC, what should the network administrator's next action be?

Check the duplex mode for SwitchA's fa0/2 port.

Check the trunk encapsulation mode for SwitchC's fa0/1 port.

Check the duplex mode for SwitchC's fa0/1 port.

Check the trunk encapsulation mode for SwitchA's fa0/2 port.

Which two benefits are provided by creating VLANs? (Choose two.)

allows switches to route traffic between subinterfaces

Which two statements are true of the interfaces on Switch1? (Choose two.)

A hub is connected directly to FastEthernet0/5.

Multiple devices are connected directly to FastEthernet0/1.

FastEthernet0/1 is connected to a host with multiple network interface cards.

FastEthernet0/5 has statically assigned MAC addresses.

FastEthernet0/1 is configured as a trunk link.

A switch is configured with all ports assigned to VLAN 2 with full duplex FastEthernet to segment existing departmental traffic. What is the effect of adding switch ports to a new VLAN on the switch?

An additional broadcast domain will be created.

More collision domains will be created.

IP address utilization will be more efficient.

More bandwidth will be required than was needed previously.

Which statement is true?

SwitchA is not the root bridge, because not all of the interface roles are designated.

The Fa0/11 role confirms that SwitchA is the root bridge for VLAN 20.

VLAN 20 is running the Per VLAN Spanning Tree Protocol.

The MAC address of the root bridge is 0017.596d.1580.

Cisco Certified Network Associate (CCNA)

Authored by Vicky Widjaya

Professional Development, Special Education, Specialty

Professional Development

Used 8+ times

Cisco Certified Network Associate (CCNA)

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MULTIPLE SELECT QUESTION

1 min • 1 pt

Which three statements correctly describe Network Device A? (Choose three.)

With a network wide mask of 255.255.255.128, each interface does not require an IP address.

With a network wide mask of 255.255.255.128, each interface does require an IP address on a unique IP subnet.

With a network wide mask of 255.255.255.0, must be a Layer 2 device for the PCs to communicate with each other.

With a network wide mask of 255.255.255.0, must be a Layer 3 device for the PCs to communicate with each other.

With a network wide mask of 255.255.254.0, each interface does not require an IP address.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

For what two purposes does the Ethernet protocol use physical addresses? (Choose two.)

to uniquely identify devices at Layer 2

to allow communication with devices on a different network

to differentiate a Layer 2 frame from a Layer 3 packet

to establish a priority system to determine which device gets to transmit first

to allow communication between different devices on the same network

MULTIPLE SELECT QUESTION

45 sec • 1 pt

A network interface port has collision detection and carrier sensing enabled on a shared twisted pair network. From this statement, what is known about the network interface port?

This is a 10 Mb/s switch port.

This is a 100 Mb/s switch port.

This is an Ethernet port operating at half duplex.

This is an Ethernet port operating at full duplex.

This is a port on a network interface card in a PC.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Where does routing occur within the DoD TCP/IP reference model?

application

internet

network

transport

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Which layer in the OSI reference model is responsible for determining the availability of the receiving program and checking to see if enough resources exist for that communication?

transport

network

presentation

session

application

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Which of the following describes the roles of devices in a WAN? (Choose three.)

A CSU/DSU terminates a digital local loop.

A modem terminates a digital local loop.

A CSU/DSU terminates an analog local loop.

A modem terminates an analog local loop.

A router is commonly considered a DTE device.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Host A pings interface S0/0 on router 3. What is the TTL value for that ping?

252

253

254

255

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Cisco Certified Network Associate (CCNA)

Which three statements correctly describe Network Device A? (Choose three.)

For what two purposes does the Ethernet protocol use physical addresses? (Choose two.)

A network interface port has collision detection and carrier sensing enabled on a shared twisted pair network. From this statement, what is known about the network interface port?

Where does routing occur within the DoD TCP/IP reference model?

Which layer in the OSI reference model is responsible for determining the availability of the receiving program and checking to see if enough resources exist for that communication?

Which of the following describes the roles of devices in a WAN? (Choose three.)

Host A pings interface S0/0 on router 3. What is the TTL value for that ping?

Host A is communicating with the server. What will be the source MAC address of the frames received by Host A from the server?

A receiving host computes the checksum on a frame and determines that the frame is damaged. The frame is then discarded. At which OSI layer did this happen?

Host 1 is trying to communicate with Host 2. The e0 interface on Router C is down.Which of the following are true? (Choose two.)

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Host 1 is trying to communicate with Host 2. The e0 interface on Router C is down.
Which of the following are true? (Choose two.)