CCENT Practice Test ICND1 | Interconnecting Cisco Networking Devices Part 1

Which RFC defines the private IPv4 address ranges?

A. 2784

B. 4443

C. 1985

D. 7868

E. 1918

F. 2328

G. 792

Which of the following protocols are used to auto negotiate trunk formation between two switches?

A. CDP

B. VTP

C. DTP

D. STP

What is the purpose of InterVLAN routing?

A. To increase the scalability of a VLAN

B. To transport packets from one VLAN to another VLAN

C. To convert packets from Layer 2 to Layer 3

D. To transport packets within the same VLAN

E. To increase the security of a VLAN

Which command is used to verify the DHCP relay agent address that has been set up on your Cisco IOS router?

A. show ip interface brief

B. show ip dhcp bindings

C. show ip route

D. show ip interface

E. show interface

F. show ip dhcp pool

You have implemented stateless address autoconfiguration in your local area network.
What will the end stations use as their default gateway address?

A. The link-local address of the router's interface

B. A special default gateway address that is provided in the router advertisement

C. The unique local address of the router's interface

D. The global address of the router's interface

E. The anycast address of the router's interface

Which physical layer media is not susceptible to electromagnetic interference?

A. Twisted copper pair

B. Wireless

C. Coaxial

D. Fiber optic

You are creating a number IPv4 extended ACL.
What is the valid number range you can use?

A. 1100-1199

B. 100-199

C. 200-299

D. 1-99

E. 700-799

Which statement is true about the subnet masks /12, /20, and /28?

A. They all have the same number of network bits

B. They all have the same block size of 16

C. They all create only 16 subnets

D. They all have the same number of host bits

You have just configured the following banner on your Cisco IOS router.

Router(config)#banner login #This is a secured environment. If you are not authorized to be here, log out immediately.#
When will this banner be displayed?

A. When the router first boots

B. When users are prompted for authentication credentials

C. Every 5 minutes by default

D. Immediately when any user connects to the device

E. Every 10 minutes by default

Which of the following dynamic routing protocols are Distance Vector routing protocols? (Choose two)

A. IS-IS

B. EIGRP

C. OSPF

D. BGP

E. RIP

Which statements correctly describe a standard IPv4 ACL? (Choose two)

A. Uses protocols and port numbers for matching

B. Uses source and destination IP address for matching

C. Permits or denies the entire protocol suite

D. Only uses the source IP address for matching

E. Can only be created as numbered ACLs

You are subnetting the 172.16.0.0/16 network so that you have 100 subnets.
How many bits do you need to borrow, what is the new subnet mask, and how many hosts will be in each subnet? (Choose three)

A. There will be 254 possible hosts in each subnet

B. There will be 510 possible hosts in each subnet

C. /23 is the new subnet mask

D. 7 bits will be borrowed

E. 8 bits will be borrowed

F. /24 is the new subnet mask

You are downloading the following IOS image from Cisco's website:

C2900-universalk9-mz.SPA-152-4.M1.bin

Which statements are true about the image? (Choose two)

A. This image is for limited release and special use cases

B. This image is an ISO image

C. This image is version 152.4

D. This image is approved for general release and is digitally signed

E. This image is compressed and will run in RAM after being decompressed

F. This image is a unified communications image

When no explicit path is found in the routing table to forward a packet, what optional entry can be used in the routing table to forward the packet?

A. A directly connected route

B. A default route

C. A local route

D. A static route

E. A dynamic route

Which command is used to create a backup copy of your Cisco IOS image and store it in a TFTP server?

A. copy system tftp

B. copy flash tftp

C. copy tftp system

D. copy tftp nvram

E. copy nvram tftp

F. copy tftp flash

What Inter-VLAN routing method uses a single physical link between a router and a switch?

A. Layer 3 Switch

B. Router with separate interfaces for each VLAN

C. Router on a Stick

D. Multilayer Switch

Which command can be used to prevent syslog messages from interrupting the commands that you are currently typing in?

A. no login

B. enable secret

C. no exec

D. transport input telnet

E. service password-encryption

F. logging synchronous

G. exec-timeout

Your current Cisco IOS 2900 series router has a configuration register value set to 0x2102 and no boot system command has been configured.
Which IOS image will be booted?

A. The last image that is found in flash

B. No IOS image will be loaded and the router will enter ROM MON mode

C. An IOS image will be loaded automatically from a TFTP server

D. The first image that is found in flash

E. The default boot system command will be used to boot the IOS image

Which type of unicast address is automatically configured on all interfaces that are enabled for IPv6?

A. Unique local

B. Global

C. Link-local

D. Site local

You have a Class A network with a /27 subnet mask.
How many hosts can be addressed in that network?

A. 62

B. 6

C. 2

D. 30

E. 14

F. 126

Your router is configured as a DHCP server.
Which command can you use to identify the next IPv4 address that will be handed out?

A. show ip dhcp address

B. show ip dhcp bindings

C. show ip dhcp pool

D. show ip dhcp conflicts

E. show ip dhcp assignments

Where is the Cisco IOS stored on a Cisco IOS ISR Router?

A. CPU

B. Flash

C. RAM

D. NVRAM

E. ROM

When using NAT to translate private IPv4 addresses to public IPv4 addresses, what term is used to identify the private IPv4 address?

A. Inside local

B. Outside local

C. Outside global

D. Inside global

Which statements correctly define variable-length subnet masking (VLSM)? (Choose two)

A. The process of creating subnets with different length masks and deploying them throughout the network

B. The process of creating subnets with the same length masks and deploying them throughout the network

C. The process of taking a default Class A, B, or C network and subnetting it

D. The process of taking an existing subnet and subnetting it again

Which statement correctly defines an anycast IPv6 address?

A. Used in one-to-all communication

B. Used in one-to-one communication

C. Used in one-to-a-group communication

D. Used in one-to-nearest communication

You have the network 172.31.0.0/16 that has been subnetted to /27 networks.
What is the block size?

A. 8

B. 128

C. 4

D. 64

E. 32

F. 16

Which layer in the hierarchical Cisco Enterprise Campus Architecture is used to provide end users with connectivity to the network?

A. Aggregation

B. Edge

C. Distribution

D. Access

E. Core

What does PAT use to keep each translation unique?

A. A protocol number

B. A combination of a port number and protocol number

C. An IP address

D. A port number

E. A combination of an IP address and a port number

F. A combination of an IP address and a protocol number

Which commands will disable DTP on an interface? (Choose two)

A. Switchport mode access

B. Switchport trunk encapsulation ISL

C. Switchport mode trunk

D. Switchport trunk encapsulation dot1q

E. Switchport nonegotiate

Which device is responsible for translating the private IPv4 address to a public IPv4 address when using static NAT?

A. Cloud

B. Switch

C. Router

D. NAT server

E. Source PC

F. Destination PC

Which Cisco IOS router prompt indicates that you are in Global Configuration mode?

A. Router#

B. Router(config-if)#

C. Router.

D. Router>

E. Router(config)#

What will occur when you issue the "copy running-config startup-config" command on your IOS device?

A. The configuration in FLASH will replace the configuration in RAM

B. The configuration in NVRAM will replace the configuration in RAM

C. The configuration in FLASH will merge with the configuration in RAM

D. The configuration in NVRAM will merge with the configuration in RAM

E. The configuration in RAM will merge with the configuration in NVRAM

F. The configuration in RAM will replace the configuration in NVRAM

You have the network 192.168.5.0/24 that has been subnetted to /30 networks.
What is the subnet ID of the seventh subnet that was created?

A. 192.168.5.28/30

B. 192.168.5.16/30

C. 192.168.5.12/30

D. 192.168.5.24/30

E. 192.168.5.32/30

F. 192.168.5.20/30

When a wildcard mask is presented in binary, what do the zeros (0) indicate?

A. The network portion of the wildcard mask

B. The host portion of the wildcard mask

C. Ignore the corresponding bit in the IP address

D. Match the corresponding bit in the IP address

E. Match the corresponding bit in the subnet mask

Which command is used to disable the active technology package for a license?

A. no license save

B. license clear

C. no license boot module

D. license boot module

E. no license install

What is the result of issuing the command "no service password-encryption" on a Cisco IOS router?

A. All future passwords will be stored as plain text in the running configuration

B. All current encrypted passwords and future passwords will be encrypted in the running configuration

C. All current encrypted passwords and future passwords will be stored as plain text in the running configuration

D. All future passwords will be encrypted in the running configuration

Which address and wildcard mask combination can be represented with the keyword "any"?

A. 255.255.255.255 0.0.0.0

B. 255.255.255.255 255.255.255.255

C. 0.0.0.0 0.0.0.0

D. 0.0.0.0 255.255.255.255

E. 10.0.0.0 0.0.0.0

What is the purpose of domain name system (DNS)?

A. To map private IPv4 addresses to public IPv4 addresses

B. To map MAC addresses to hostnames

C. To map IPv4 addresses to hostnames

D. To map IPv4 address to NetBIOS names

E. To map IPv4 addresses to MAC addresses

Which statements define the term block size? (Choose two)

A. It is determined exclusively based on the subnet mask

B. It is always a value of 8

C. It is the total number of IPv4 addresses within a subnet

D. It is the progression between subnets within a specific octet

E. It is determined based on the IPv4 address and subnet mask

F. It is always a value of 2

You are using CDP to build a network topology.
Which command is used to verify the IPv4 address of the neighboring Cisco IOS device?

A. show interfaces

B. show cdp

C. show ip interfaces

D. show cdp neighbors

E. show cdp neighbors detail

F. show ip interface brief

Which type of addresses do you find in an Ethernet frame?

A. IPv6

B. IPv4

C. AppleTalk

D. CLNS

E. MAC

Which command is used to apply an ACL to an interface?

A. access-group

B. ip access-group

C. ip access-list

D. ip access-class

E. access-class

F. access-list

You have just upgraded your Cisco IOS image on your Cisco 2900 ISR from 12.4 to the following image:

C2900-universalk9-mz.SPA-152-4.M1.bin

You have also deleted the 12.4 IOS image from the ISR. However, when you issue the "show version" command, you notice that the 12.4 operating system is still in use.

How do you solve this issue?

A. Issue the command copy tftp flash

B. Issue the boot system command

C. Reboot the router

D. Copy the running configuration to the startup configuration

E. Issue the command copy flash tftp

A poorly designed network typically includes which of the following? (Choose three)

A. Security vulnerabilities

B. Large broadcast domains

C. Small broadcast domains

D. Proper documentation

E. Management and support challenges

Which of the following statements are true regarding the processing of ACLs that have been applied to router interfaces? (Choose two)

A. Inbound ACLs will be processed before the routing table lookup occurs

B. Inbound ACLs will be processed after the routing table lookup has occurred

C. Outbound ACLs will be processed after the routing table lookup has occurred

D. Outbound ACLs will be processed before the routing table lookup occurs

You are upgrading the Cisco IOS on your Catalyst switch. While browsing the available downloads on Cisco's website, you notice that you need the model of the switch to obtain the correct IOS.
Which command can you issue on your IOS switch to identify the model?

A. show running-config

B. show flash

C. show startup-config

D. show platform nvram

E. show version

F. show processes

You have the Class B network 172.16.0.0/16 and want to create 16 subnets.
What will the new subnet mask be for the 16 subnets?

A. /18

B. /19

C. /21

D. /17

E. /22

F. /20

Which command is used to set your Cisco IOS device as an authoritative time source that will be used as the trusted time source?

A. ntp master

B. ntp server

C. ntp client

D. ntp peer

Which command is used to verify the interfaces that are participating in the RIPv2 routing process?

A. show ip rip

B. show ip protocols

C. show ip route

D. show rip interfaces

E. show ip interface brief

You receive a notification that there is an issue in one of your switched networks. After reviewing the logs you noticed that a switch has rebooted; however, there is no network connectivity to the resources attached to that switch anymore. You connect to the switch over the management network and notice that there is the following message:

Would you like to enter the initial configuration dialog? [yes/no]:

What is the reason for receiving this message?

A. This is a normal message that appears each time the device boots and should be disabled

B. There is no configuration in FLASH

C. There is no start-up configuration in NVRAM

D. There is no configuration in RAM

The type of service field in an IPv4 header is used for QoS.
Which field in the IPv6 header is used for QoS?

A. Traffic class

B. Flow label

C. Next header

D. Source address

E. Hop limit

F. Destination address

Which statement is true about the addresses 172.16.0.255/23 and 172.16.1.0/23?

A. The address 172.16.0.255/23 is a directed broadcast address

B. The addresses are in different subnets

C. The address 172.16.1.0/23 is a subnet ID

D. The addresses are in the same subnet

You need to prevent your router from receiving and processing RIPv2 routing updates.

How can you accomplish this?

A. Create an ACL denying TCP port 520 packets and apply it outbound on the interface

B. Create an ACL denying UDP port 520 packets and apply it inbound on the interface

C. Create an ACL denying TCP port 520 packets and apply it inbound on the interface

D. Create an ACL denying UDP port 520 packets and apply it outbound on the interface

E. Enable the passive interface feature on the interface

You are configuring your edge routers interface with a public IP address for Internet connectivity. The router needs to obtain the IP address from the service provider dynamically. Which command is needed on interface FastEthernet 0/0 to accomplish this?

A. ip default-gateway

B. ip route

C. ip default-network

D. ip address dhcp

E. ip address dynamic

Cisco test CCENT 100-105

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