CCNA DC Networking Practice Test

Which information is included in the output of the "show startup-config" command but not in the "show running-config" command?

A. License

B. Version number

C. Creation date

D. Switch name

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

A. Setup Dialog

B. CLI

C. POST

D. Checkpoint configuration

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 protocol from the TCP/IP model runs in full-duplex mode?

A. IGMP

B. UDP

C. ICMP

D. IP

E. TCP

Which command displays the number of times the SPF algorithm has been executed?

A. show ip ospf

B. show ip ospf neighbors

C. show ip route

D. show ip ospf interfaces

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

Which statements accurately describe how the decimal and binary number systems function, or identify the powers of 2 concept? (Choose three)

A. The decimal system uses only the digits 0 and 1

B. Each bit in the binary value is based on power-of-2 calculations

C. The binary system is the foundation of computer operations

D. The decimal system is used in everyday mathematics

E. The binary system uses the digits 0 through 9

F. When calculating powers of 2, the least significant bit is 2^1

What is the role of a switch in host-to-host packet delivery? (Choose two)

A. When a host sends an ARP request, it is received by the remote host before reaching the switch

B. When it receives a frame of a known host, it needs to forward it out to the proper port

C. It changes the frame to include the MAC address

D. It is responsible for adding mappings to the MAC table

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 tasks should a VTP be responsible for? (Choose two)

A. It minimizes misconfigurations and configuration inconsistencies

B. It maintains VLAN configuration consistency by managing additions, deletions, and name changes

C. It inserts a 4-byte tag field into the original Ethernet frame

D. It carries the traffic of multiple VLANs over a single physical link

What is the administrative distance of a directly connected network?

A. 2 hops

B. There is no way to know

C. Zero

D. 1 hop

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

Which two options will provide 30 usable hosts per subnet? (Choose two)

A. /28

B. 255.255.255.240

C. 255.255.255.248

D. /26

E. 255.255.255.224

F. /27

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)#

What are the characteristics of today's LANs? (Choose two)

A. Switches are connected by high-speed links

B. Users are grouped by physical location

C. Bridges are added to networks to accommodate resource and bandwidth demands

D. More switches decrease the amount of traffic between each switch

When configuring VLANs for a Cisco Nexus switch, which VLANs are reserved for system use?

A. 2 to 3967

B. 4095 and higher

C. 1

D. 3968 to 4094

In which class does the IP address 192.168.31.2 belongs to?

A. Class C

B. Class A

C. Class B

D. Class D

What feature of IPv6 will make the DHCP unnecessary?

A. SSL

B. DHCPv6

C. Stateless autoconfiguration

D. Link-local addressing

What are characteristics of Cisco NX-OS? (Choose two)

A. It brings two fundamental technologies to a single platform

B. It includes features for routing, switching, and storage networking

C. It was developed for datacenter environments

D. It is a stripped down Windows kernel

Which physical topology requires the use of a terminator?

A. Bus

B. Wireless

C. Extended star

D. Star

E. Ring

What are startup characteristics of a switch? (Choose two)

A. The CLI can be used to customize the configuration at any time

B. You can create a default configuration for continued operation

C. If the POST fails, you must configure the switch

D. An automatic setup program can be used to assign passwords for the admin role

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 two features are available to a Cisco Nexus 7000 Series Switch that has the Advanced LAN Enterprise License? (Choose two)

A. Cisco TrustSec

B. IVR

C. GRE tunnels

D. Cisco FabricPath

E. VDCs

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

Which STP protocol provides a separate 802.1D spanning-tree instance for each VLAN that is configured in the network?

A. CST

B. RSTP

C. MSTP

D. PVST+

E. RPVST+

What is the purpose of VTP pruning? (Choose two)

A. It looks at the 4-byte tag field and determines where to deliver the frame

B. It uses VTP advertisements to determine when a trunk connection is flooding traffic needlessly

C. It allows you to extend the VLANs across the entire network

D. It increases available bandwidth by restricting the flooded traffic to those trunk links that the traffic must use to access the appropriate network devices

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

What are the characteristics of port channel operation? (Choose two)

A. The Cisco Nexus Series switches support the bundling of up to 24 ports into a port channel

B. A port channel must be negotiated dynamically using LACP

C. When virtual device contexts are used, all the ports in a port channel must be in the same VDC

D. Port channels combine multiple physical links into single logical link

Which two protocols are categorized as link-state routing protocols? (Choose two)

A. EIGRP

B. IS-IS

C. RIP

D. BGP

E. OSPF

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

A. 8

B. 32

C. 4

D. 14

E. 16

You want to provide signal amplification at the layer responsible for electrical, mechanical, procedural, and functional specifications.

Which layer and device combination should you use?

A. Bridge – Layer 2

B. Switch – Layer 1

C. Repeater – Layer 1

D. Repeater – Layer 2

You are in the process of converting a binary number to determine its decimal equivalent.

Convert 10101101 to decimal.

A. 201

B. 185

C. 173

D. 211

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 layer of the TCP/IP suite provides communication services directly to the application processes running on network hosts?

A. Physical layer

B. Internet layer

C. Network access layer

D. Transport layer

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

In the IPv6 address 2001:db8:3c4d:15::1a2f:1a2b, what is the first part of the global routing prefix?

A. 2001

B. 1a2f

C. db8

D. 1a2b

What command would you use to reference an object group?

A. point group

B. addrgroup

C. address group

D. use group

What is the function of DHCP in IP addressing? (Choose two)

A. To set TCP/IP stack configuration parameters

B. To identify the network itself

C. To provide IP configuration information

D. To send data to all the devices on a network

What command should you use to display a list of all installed components?

A. show module

B. show version

C. show interface

D. show inventory

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

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.

You want to determine the route to a destination using "tracert".

Which parameter should you use to specify that host addresses should not be resolved to addresses?

A. target_host

B. -j host_list

C. -d

D. -h maximum_hops

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

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

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

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

A. TRILL

B. OTV

C. IEEE 802.1x

D. Cisco TrustSec

E. PIM

F. CoPP

Which key or key sequence would you use to determine the syntax of a particular CLI command?

A. Esc-F

B. Ctrl-C

C. ?

D. Tab

E. Ctrl-Z

Which connectionless protocol provides applications with access to the network layer?

A. IP

B. UDP

C. TCP

D. ARP

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 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

Which statements best describe collisions? (Choose three)

A. In a collision, the frames are destroyed, and each station in the segment begins with a random timer that must be completed before attempting to retransmit the data

B. Larger segments are less likely to have collisions

C. More segments on a network mean greater potential for collisions

D. Collisions occur when two or more stations are on a shared media transmit at the same time

E. Collisions are the by-products of a shared LAN

F. Adding a hub to a network can improve collision issues

How many octets does a Class A network have in the host field?

A. 3

B. 4

C. 1

D. 2

What are the basic services offered by the transport layer? (Choose two)

A. Flow control

B. Session multiplexing

C. Segmentation

D. Reliability

Which three benefits do link-state routing protocols have over traditional distance vector protocols? (Choose three)

A. Uses hop count

B. Scales to larger networks

C. Sends complete routing tables to neighbors

D. Uses cost metric

E. Only updates for topology change

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?