CCNA DC Networking Practice Test

Which prompt indicates you are in EXEC mode on a Cisco Nexus switch?

A. Switch (config-line)#

B. Switch (config-router)#

C. Switch#

D. Switch (config-interface)#

How is Cisco NX-OS suitable for the datacenter? (Choose two)

A. It eliminates the need for the Cisco iOS

B. It has a rich feature set that includes routing, switching, and storage networking

C. It has an HTML interface and a CLI similar to the Cisco iOS Software

D. It has an XML interface and a CLI similar to the Cisco iOS Software

Which feature set is included with a Cisco Nexus 5010 Storage Protocol Services license?

A. VDCs, Cisco TrustSec, FCoE

B. RBAC, iSCSI, port channels

C. FC, FCoE, NPV

D. FC, RMON, RSPAN

What are two advantages of implementing a router on a stick for VLANs on your network? (Choose two)

A. The router provides high availability.

B. Layer 3 services are not required on the switch.

C. Multiple traffic paths prevent congestion.

D. Latency is reduced as the frames leave the switch chassis.

E. The router provides communications between the VLANs.

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

You have a Class A address of 10.1.18.2 and have applied the /20 mask.

What is the result of applying this mask? (Choose three)

A. The network ID is 10.0.16.0, the directed broadcast is 10.0.31.255, the first host is 10.0.16.1, and the last host is 10.0.31.254

B. It provides 12 bits for subnetting and 12 bits for hosts

C. It provides 22 bits for subnetting and 2 bits for hosts

D. The network ID is 10.0.18.0, the directed broadcast is 10.0.18.255, the first host is 10.0.18.1, and the last host is 10.0.18.254

E. It provides 4096 subnets and 4094 host addresses

F. It provides 256 subnets and 65534 host addresses

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

You have an address of 172.16.0.0/22, which equals a subnet mask of 255.255.252.0.

Determine the block size of this subnet.

A. 8

B. 16

C. 18

D. 6

E. 2

F. 4

Which LAN component operates at Layer 2 of the OSI model and provides intelligent distribution of frames within the LAN?

A. Network interface cards

B. Routers

C. Computers

D. Ethernet switches

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 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

What are three characteristics for link-state routing protocols? (Choose three)

A. The Diffusing Update Algorithm (DUAL) is required to achieve rapid convergence.

B. Two extra tables are required in addition to the routing table.

C. Summary routes can be created anywhere within the network.

D. CPU cycles are required to calculate the best paths through the network.

E. Areas must remain contiguous at all times.

Which three statements describe the purpose of a routing protocol? (Choose three)

A. Maintain current routing information.

B. Find a new best path when the current path is no longer available.

C. Choose the longest path to destination networks.

D. Discover remote networks.

E. Discover local networks.

What statement about ACLs that are applied to an interface is true?

A. A maximum of 5 access lists can be applied to an interface

B. Only one access list can be applied on an interface

C. You can configure one access list, per direction, per Layer 3 protocol

D. You can place as many access lists as you want on the interface

How is the root bridge involved in the STP topology? (Choose two)

A. It maintains the stability of the forwarding paths between all the switches for single VTP instance

B. It is selected on the basis of the highest MAC address

C. It is elected as the master bridge on the LAN and all path calculation through the network is based on it

D. It is the reference point that all switches use to establish the forwarding paths that avoid loops in the Layer 2 network

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

If a /20 subnet was applied to a class B address, how many subnets would you create?

A. 4

B. 16

C. 32

D. 8

E. 14

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

After trying to configure EIGRP on a Cisco Nexus switch you receive an error message. Which command must you enter first to configure EIGRP?

A. feature eigrp

B. autonomous-system 100

C. ip router eigrp N7K-2

D. router eigrp N7K-2

What is the command to validate if OSPF is working on your interfaces?

A. show ip ospf interfaces

B. show ip interfaces

C. show ospf ip

D. show ospf ip interface

Which Cisco NX-OS design feature makes it possible to nondisruptively perform complete image upgrades without affecting the data forwarding plane?

A. Modular software design

B. Control plane and data plane functional separation

C. Integrated virtualization support for Layer 2 and Layer 3

D. Cisco NX-OS ISSU

What is another name for a backup route?

A. Favourable path

B. Block route

C. Feasible successor

D. Backdoor route

Which three tasks are performed by ACLs? (Choose three)

A. Detects patterns of misuse in network traffic

B. Provides a basic level of security for network access

C. Provides traffic flow control

D. Generates an alarm during an attack

E. Improves network performance by limiting network traffic

Which layer of the OSI model is the network layer?

A. Layer 6

B. Layer 3

C. Layer 7

D. Layer 2

How does the block size technique allow for more addresses? (Choose three)

A. Allows the breaking up an address space into multiple subnets

B. Allows smaller networks to be created and then subdivided into larger ones

C. Allows the hierarchical dividing of the Internet into many levels

D. Provides more efficient use of subnet and hosts

What is the first thing that is run when starting an unconfigured switch?

A. Setup Dialog

B. CLI

C. POST

D. Checkpoint configuration

Which part of the IP PDU header specifies the IP address of the sending node?

A. Source address

B. Protocol

C. Destination address

D. Options

What type of structure does a link-state routing protocol use?

A. Flat structure

B. Horizontal

C. Heterarchy

D. Hierarchical

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 are features of the Cisco NX-OS CLI? (Choose two)

A. Initial default interface settings are configurable

B. Out of the box, it contains sufficient information to forward traffic

C. A Cisco Nexus switch prompts for initial configuration, if there is no configuration in memory

D. The device is preconfigured with protocol addressing and parameter settings

Which component of an Ethernet MAC address identifies the manufacturer of the NIC card?

A. Broadcast bit

B. LAA bit

C. OUI

D. Vendor assigned address

Which category of Cisco NX-OS features includes Cisco TrustSec?

A. High availability

B. Layer 3

C. Layer 2

D. Security

Which three features does EIGRP support? (Choose three)

A. Load balancing

B. Classless routing

C. More overhead

D. Easy summarization

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

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

You want to ensure that when you make a change to the VLAN configuration, it only affects the local switch. Which VTP mode should you use?

A. Off

B. Server

C. Transparent

D. Client

What statements describe the function of a router in the IP delivery process? (Choose two)

A. The routing table holds multiple entries per network

B. Routers use the routing tables, protocols, and algorithms to determine the most efficient path for forwarding the IP packet

C. Routers maintain their routing tables and ensure that other routers know of changes in the network

D. Routers use ICMP to communicate network information from their own routing table with other routers

E. Routers create larger collision domains

F. Routers strengthen the signal over large distances in a network

How many usable host addresses are available for the 172.16.16.0/20 subnet?

A. 4094

B. 254

C. 14

D. 2046

Which power redundancy mode on a Cisco Nexus 7000 10 Slot Switch provides no redundancy?

A. N+1

B. Combined

C. Complete

D. Grid

Which three options are high availability features of Cisco NX-OS? (Choose three)

A. GR

B. OTV

C. ISSU

D. CoPP

E. ACL

F. SSO

What subnet mask will create a required amount of 16 subnets within a Class B network?

A. 255.255.128.0

B. 255.255.254.0

C. 255.255.240.0

D. 255.255.192.0

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

Which field in a MAC layer of the IEEE 802.3 Ethernet frame contains bits that signal the receiving computer that the transmission of the actual frame is about to start?

A. DSAP

B. FCS

C. SOF

D. SSAP

Which command is entered next after enabling SVI for VLAN 20 using the IP address and mask 10.1.1.1/24 on a Cisco Nexus switch when configuring an SVI?

A. no shutdown

B. ip address 10.1.1.1/24

C. interface vlan 20

D. interface-vlan feature

E. feature interface-vlan

F. vlan interface 20

Which key sequence would you use to delete all characters from the cursor to the beginning of the command line?

A. Ctrl-K

B. Ctrl-C

C. Ctrl-Z

D. Ctrl-U

Which device is supported only on fabric uplinks from a Cisco Nexus 2000 Series Fabric Extender to a parent switch?

A. Cisco copper-based active twinax cables

B. Cisco SFP+ Transceiver Module SFP-10G-SR

C. Cisco Optical Gigabit Ethernet SFP Transceiver

D. Cisco FET-10G Fabric Extender Transceiver

You must meet the following criteria:

- Defines the sample-ACL
- Includes statements that permits traffic from any IP address on the 172.16.x.x network carrying TCP traffic going to any IP address that is destined to the www port
- Activated on the Ethernet interface e1/5 in an inbound direction

Which of the following options contains the set of commands to meet the listed criteria?

A. Option A

B. Option B

C. Option D

D. Option C

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.

What happens if the restart of a graceful operations-capable protocol is required? (Choose two)

A. The restarting service can remove itself from the network control plane nondisruptively

B. The particular routing protocol utilizes the relevant mechanism to signal to its neighbors that a planned restart is being executed

C. Neighboring devices cannot continue to forward traffic to the restarting entity

D. The unit that is restarting its routing protocol continues to forward traffic using the last-established RIBs and FIBs depending on control plane operations

Which Ethernet connection type is hot-swappable and allows connecting to different connection media?

A. MT-RJ

B. SFPs

C. GBICs

D. RJ-45

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 is the purposing of windowing? (Choose two)

A. It establishes a connection using a three-way handshake

B. It allows the sending computer to send out a number of packets without receiving acknowledgment of those packets

C. It involves distinguishing sessions from other sessions using port numbers

D. It helps maintain the speed and reliability of the connection

What is the binary equivalent of the hexadecimal number 0x911?

A. 100100010001

B. 10100010001

C. 1110001111

D. 100101010101

E. 10101010101

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 VTP mode does not allow you to make VLAN configuration changes on the switch but can forward current VLAN information in its database?

A. Client

B. Transparent

C. Off

D. Server

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?