CCNA DC Networking Practice Test

This is the result of your "show interfaces" command,

Serial10/2/0 is up, line protocol is down

At what layer of the OSI model can our problem be found?

A. Layer -2

B. Layer -4

C. Layer -1

D. Layer -3

Which three statements are true concerning VLANs? (Choose three)

A. You can assign each switch port to multiple VLANs.

B. A Layer 2 device can be used to route packets between VLANs.

C. Ports in different VLANs do not share broadcasts.

D. Each VLAN in a switched network corresponds to an IP network.

E. A router or multilayer switch is required for inter-VLAN routing.

What does the acronym SVI stands for?

A. Switched Virtual Interface

B. Static Virtual Interface

C. Stock Virtual Interface

D. Standard Visual Interlace

What does the ARP table map to?

A. IP addresses to MAC addresses

B. IP addresses to supernet addresses

C. IPv4 to IPv6 addresses

D. Subnet addresses to IP addresses

What statements describe the characteristics of the base-2 system? (Choose three)

A. When working with IPv4 understanding the powers of 2 is essential

B. Any number to the power of 0 is 0

C. When performing powers of 2 calculations, the least significant bit is equal to 2^1

D. Each bit in the binary value is based on powers-of-2 calculations

E. Powers of 2 provide the basis for binary values

How would you abbreviate the IPv6 address 2001:0db8:3c4d:0015:0000:0000:1a2f:1a2b?

A. 2001:db8:3c4d:15:0000:1a2f:1a2b

B. 21:0db8:3c4d:0015::1a2f:1a2b

C. 2001:db8:3c4d:15::1a2f:1a2b

D. 2001:db8:3c4d:15::0000:1a2f:1a2b

What is the purpose of a subnet mask? (Choose three)

A. Used by end systems to identify the destination IP address as either local or remote

B. Defines the number of bits that represent the network and subnet part of the address

C. It can be changed to redefine the network portion of a class-based network ID

D. Needed to send a packet out of the local network

E. Uses a set of servers to resolve the names that are associated with numbered addresses

What is the purpose of the SPF algorithm?

A. Counts and subtracts the cost to get to a destination

B. Calculates the shortest route between 2 points

C. Calculates the farthest distance between 2 points

D. Adds the highest costs into the routing table

Which statements best describe the TCP segment sequencing process? (Choose two)

A. Each segment contains the sender and receiver port, the sequence number, and the acknowledgment number

B. The sender generates the sequence numbers before it transmits the segments

C. TCP reassembles the segments into the proper order at the sender end

D. Port numbers may vary throughout the connection

How do bridges help with network congestion? (Choose two)

A. They take a signal from a device on the network and act as an amplifier

B. They isolate potential network problems to specific segments

C. They minimize unnecessary network traffic by filtering data frames within or between LAN segments

D. They receive a transmission signal and then amplify and retransmit it

In a redundant topology scenario, where you have 10 VLANs, what benefits would MSTP have over Rapid PVST+? (Choose two)

A. MSTP reduces the load on the CPU

B. MSTP would only require five spanning tree instances where as Rapid PVST+ would require ten

C. MSTP is easier to configure and provides a greater level of redundancy than Rapid PVST+

D. MSTP would only require two spanning tree instances where as Rapid PVST+ would require ten

Which component is responsible for determining where packets of data are to be routed based on the destination address?

A. MAC sublayer

B. IP

C. TCP

D. LLC sublayer

What is the general rule for applying ACLs on a Nexus switch?

A. One ACL per direction, one ACL per protocol, and one ACL per interface is allowed.

B. Two ACLs per direction, one ACL per protocol, and two ACLs per interface is allowed.

C. One ACL per direction, one ACL per protocol, and two ACLs per interface is allowed.

D. Two ACLs per direction, two ACLs per protocol, and two ACLs per interface is allowed.

Your organization is experiencing a power failure. After power is restored, Host A on VLAN1 needs to communicate with Host B on VLAN2.

How will they learn each other's MAC addresses?

A. If both hosts previously communicated, they will refer to their ARP cache to send the frame to the appropriate location

B. When the switch receives the frame from Host A, it will flood the ARP request from all of its ports except the originating port

C. When the hub receives the frame from Host A, it will flood the ARP request from all of its ports except the originating port

D. The switch will have the MAC addresses cached and will forward the frames to the appropriate port

What are the characteristics of the 24-bit OUI of an Ethernet MAC address? (Choose two)

A. It contains two bits that matter only when used in the source address

B. It contains two bits that matter only when used in the destination address

C. It identifies the manufacturer of the NIC card

D. It uniquely identifies the Ethernet hardware

Which three options represent the default subnet mask associated with a Class A address? (Choose three)

A. 255.0.0.0

B. 255.255.255.0

C. 11111111.00000000.00000000.00000000

D. /24

E. /8

F. 00000000.11111111.11111111.11111111

G. /16

What are features of Cisco PortChannel? (Choose two)

A. It is limited to the aggregation of a number of links that run between the same two devices

B. It combines the physical links into a single logical link

C. It provides load balancing based on header hashing

D. It treats links as individual links

Which command administratively disables an interface on a Cisco Nexus switch?

A. interface loopback 0

B. shutdown

C. deny ip any any

D. no shutdown

You need to create 8 subnets in the 192.168.1.0/24 network. What is the new network mask that will be used, and how many hosts can be used on each of the subnets? (Choose two)

A. 126 hosts

B. Network mask /25

C. 30 hosts

D. Network mask /27

E. 62 hosts

F. Network mask /26

You have an IP address of 192.168.1.2 and have applied the /25 bit subnet mask to the address.

What are the subnet ID, broadcast address, and usable address range of this subnet?

A. The subnet ID is 192.168.0.0, the broadcast is 192.168.2.32, and the usable range is 192.168.0.1 to 192.168.2.31

B. The subnet ID is 192.168.1.0, the broadcast is 192.168.1.127, and the usable range is 192.168.1.1 to 192.168.1.126

C. The subnet ID is 192.168.1.0, the broadcast is 192.168.1.255, and the usable range is 192.168.1.1 to 192.168.1.254

D. The subnet ID is 192.168.1.0, the broadcast is 192.168.1.64, and the usable range is 192.168.1.1 to 192.168.1.63

E. The subnet ID is 192.168.1.0, the broadcast is 192.168.2.255, and the usable range is 192.168.1.1 to 192.168.2.254

Which two commands are required to return a Cisco Nexus switch to an unconfigured state? (Choose two)

A. remove running-config

B. reload

C. write erase

D. startup erase

E. remove startup-config

How would you abbreviate the IPv6 address 2001:0db8:3c4d:0015:0000:0000:1a2f:1a2b?

A. Remove the quartets that are all zeroes

B. Remove all the leading zeros

C. Remove the first quartet

D. Remove all of the zeroes

Which VTP mode forwards VTP advertisements but does not propagate changes to other switches in the VTP domain?

A. Transparent

B. Off

C. Client

D. Server

Which action is taken by a switch if it receives a frame and determines that the destination MAC address of the frame resides on the same network segment as the source?

A. Flood

B. Filter

C. Learn

D. Forward

What is the distance vector routing also known as?

A. Metric routing

B. Distance vector routing

C. Routing by rumour

D. RIP

Which of these addresses are private IP addresses? (Choose two)

A. 172.17.10.10

B. 130.16.71.43

C. 10.215.34.124

D. 221.200.15.10

How does a traffic find the appropriate host computer once it is on the destination network?

A. APIPA address

B. Host IP address

C. Host MAC address

D. Host name

Which Cisco NX-OS command mode allows access to the broadest range of commands?

A. Line Configuration Mode

B. Routing Protocol Configuration Mode

C. Global Configuration Mode

D. Interface Configuration Mode

Host A is sending data to Host B.

When would a default gateway be required?

A. Host A does not have an ARP entry for Host B

B. Host A and B are assigned MAC addresses on different networks

C. Host A and B are assigned IP addresses on different networks

D. Host A and B are assigned IP addresses on the same network

What should you consider when configuring a checkpoint? (Choose two)

A. You can create multiple checkpoints to save different versions of your running configuration

B. You can create a checkpoint copy of the current running configuration only at startup

C. A rollback allows any authorized administrator to apply a checkpoint configuration

D. Cisco NX-OS saves a checkpoint as a text file

The subnet 172.16.0.0/21 equals a subnet mask of 255.255.248.0.

Determine the block size of this subnet.

A. 32

B. 8

C. 128

D. 4

E. 16

F. 64

Your business requires that you have fast convergence time and ample resources are in place for your solution.

What Cisco-standard Spanning Tree Protocol should you use?

A. PVST+

B. RSTP

C. MSTP

D. Rapid PVST+

Which command will map the route that packets take to the destination address 192.168.1.10/24?

A. traceroute 192.168.1.10

B. ip address 192.168.1.10/24

C. ping 192.168.1.10

D. show ip route

What limitations should be considered when configuring LAN segments? (Choose two)

A. Transmissions may become degraded because of the line noise and reduced signal strength

B. Cable type, data rate, and modulation technique define a maximum segment length

C. Unlimited repeaters can be added to a network

D. Devices that operates at Layer 1 of the OSI model terminate the Ethernet segment of the LAN

Which device uses a table of MAC addresses to identify the segment to which a data frame should be sent?

A. Gateway

B. Wireless access point

C. Switch

D. Router

E. Repeater

You are currently converting an IP address to binary format.

What is the binary value of the decimal number 176?

A. 11001000

B. 10110000

C. 10111000

D. 10011000

What happens if an IP address exists on a loopback interface?

A. The lowest IP address is chosen

B. The highest IP address is chosen

C. The IP is disregarded

D. A conflict occurs

What is the binary equivalent of the decimal number 1,291?

A. 10100001011

B. 11010101001

C. 10110011011

D. 10110111001

Your data center network design requires policy-based VM connectivity, mobile VM security and network policy, and a non-disruptive operational model for server virtualization and networking teams. Which device can perform these functionalities?

A. Cisco Nexus 2000 Series Fabric Extenders

B. Cisco Nexus 5000 Series Switches

C. Cisco Nexus 7000 Series Switches

D. Cisco Nexus 1000V Series Switches

What are the characteristics of flow control? (Choose two)

A. The transport function can issue a "not ready" indicator to the sender

B. The "not ready" indicator tells the transport function to stop sending data and wait for a "ready" indicator

C. When the transport function receives a "ready" indicator, it resumes sending datagrams

D. When space is available, the transport function sends a "ready" indicator to the sending computer

How does Spanning Tree Protocol provides loop resolution? (Choose two)

A. By handing the duplicate transmission to the appropriate upper-layer protocol

B. By reestablishing connectivity and by automatically activating a previously inactive path

C. By forcing certain ports into a standby state so that they do not listen to, forward, or flood data frames

D. By managing the physical paths of the given network segments

Which fundamental technologies does Cisco NX-OS Software use? (Choose three)

A. Layer 3 routing

B. Storage protocols

C. Paired operating systems

D. Fast power-up

E. Layer 2 switching

Which file system component is used for storing the startup configuration file on a Cisco Nexus 7000 Series switch by default?

A. RAM

B. VRAM

C. Bootflash

D. NVRAM

E. Slot0

You are required to create 8 subnets in the 192.168.1.0/24 network.

What is the new network mask that will be used, and how many hosts can be used on each of the subnets? (Choose two)

A. Network mask /26

B. Network mask /25

C. 62 hosts

D. 30 hosts

E. 126 hosts

F. Network mask /27

What subnet mask should be chosen to create 40 subnets with a Class B network?

A. 255.255.248.0

B. 255.255.224.0

C. 255.255.240.0

D. 255.255.252.0

E. 255.255.255.128

What kind of information can be configured in the setup dialog on a switch? (Choose two)

A. Daylight Savings Time adjustments

B. Date, time, and time zone

C. IPv4 address of the default gateway

D. Advanced IP options

Which command is used to display the ARP cache on a Nexus switch?

A. show running-config

B. show ip route

C. show ip arp

D. show arp

What are the characteristics of a VLAN? (Choose two)

A. It can share broadcasts in different VLANs

B. It can improve the overall performance of the network

C. It cannot span multiple switches

D. It provides segmentation and organizational flexibility

Cisco test CCNA 640-911

While calculating your results take a moment to complete our simple survey!

How likely is it that you would recommend LearnCisco.net
to a friend or colleague?

Why?

Cisco test CCNA 640-911

While calculating your results take a moment to complete our simple survey!

How likely is it that you would recommend LearnCisco.net to a friend or colleague?

Why?

How likely is it that you would recommend LearnCisco.net
to a friend or colleague?