CCENT Practice Test ICND1 | Interconnecting Cisco Networking Devices Part 1

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

Which command can you use to encrypt all current and future plain-text passwords that are stored in the running configuration?

A. login

B. service password-encryption

C. enable secret

D. username username password password

E. crypto key generate rsa modulus 1024

F. username username secret password

Which command is used to create a standard numbered IPv4 ACL?

A. access-list numbered

B. ip access-list

C. numbered access-list

D. access-list ip

E. access-list

Which IPv6 prefix will the typical enterprise network receive from the service provider?

A. /52

B. /56

C. /64

D. /32

E. /48

F. /60

You are implementing a Router on a Stick Inter-VLAN routing solution. What type of interfaces are needed for this implementation?

A. Routed ports

B. Switched virtual interfaces

C. Virtual template

D. Tunnel

E. Sub-interfaces

Your router has just received a packet that is destined to 10.1.1.97.
Which entry in the routing table will be used to forward the packet?

A. 10.1.1.0/25

B. 10.1.1.64/27

C. 0.0.0.0/0

D. 10.1.1.64/26

E. 10.1.1.32/27

F. 10.1.1.0/24

G. 10.1.1.80/28

You are configuring port security on a Catalyst IOS switch. You need to choose a violation mode that will deny frames that are in violation of the port security settings while still allowing frames that are not in violation. In addition, syslog messages need to be generated and the port security violation counter must increase each time a violation occurs.
Which port security violation mode should you choose?

A. Err-disable

B. Protect

C. Shutdown

D. Disable

E. Restrict

Which physical layer media is not susceptible to electromagnetic interference?

A. Twisted copper pair

B. Wireless

C. Coaxial

D. Fiber optic

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

When a subnet mask is presented in binary, what do the binary 1s represent?

A. The network portion of an associated address

B. The host portion of the subnet mask

C. The number of wildcard bits in the subnet mask

D. The number of wildcard bits in the address

E. The network portion of the subnet mask

F. The host portion of an associated address

Which translation option would most likely be used in your home to connect all your devices to the Internet over your DSL, Cable, or Fibre connection?

A. Dynamic NAT with overloading

B. Dynamic NAT

C. PAT

D. Static NAT

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

What is the purpose of the "logging synchronous" command?

A. It enables synchronous sequence numbering for syslog messages

B. It enables password checking on the vty and console lines

C. It sets an inactivity timer for the console and vty lines

D. It prevents syslog messages from interrupting current commands you are typing in

E. It disables timestamps for syslog messages

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 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

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 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 PAT on your Cisco IOS router. Which command is used to identify the private IP addresses that can be translated?

A. access-list 1 permit 10.1.1.0 0.0.0.63

B. ip nat outside

C. ip nat pool NAT_POOL 203.0.113.3 203.0.113.6 prefix-length 29

D. ip nat inside

E. ip nat inside source list 1 interface fastethernet0/0 overload

Which prefix correctly identifies an IPv6 link-local address?

A. FD00::/8

B. FC00::/7

C. FE80::/10

D. 2000::/3

E. F8E0::/10

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

Which features are used to extend the lifetime and usefulness of IPv4 networks? (Choose four)

A. Private Addressing

B. VLSM

C. CIDR

D. VLANs

E. Public Addressing

F. NAT

G. IPv6

You have connected to your Cisco IOS router using SSH for remote management. You have entered the command "debug ip rip" to verify that RIP updates are being sent and received by the router. You wait for 90 seconds and notice that no RIP updates are being sent or received. After reviewing the RIP configuration, you conclude that the configuration is fine. You also verify that logging to the vty lines is set to debugging.
Why are you not seeing the RIP updates?

A. You need to issue the logging monitor 7 command

B. You need to wait longer since RIP updates are every 180 seconds

C. Debugs are not available for vty sessions

D. You need to enable RIP

E. You need to connect to the console port first

F. You need to issue the terminal monitor command

You are performing password recovery on your 2900 ISR. You have successfully merged the startup configuration file, changed all the passwords, and enabled all the required interfaces.
What else do you need to do in order to complete the password recovery process successfully? (Choose two)

A. Copy the contents of NVRAM to RAM

B. Copy the running configuration to the startup configuration

C. Change the configuration register value

D. Issue the boot system command

E. Reload the router

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

Which physical layer media are used today for connecting network devices (switches and routers) together in a LAN? (Choose two)

A. Coaxial

B. Twisted copper pair

C. Fiber optic

D. Wireless

Which commands will successfully create VLAN 5 and name it SALES on a Catalyst IOS switch?

A. Switch(config)#vlan 5
Switch(config-vlan)#name SALES

B. Switch(config)#vlan 5
Switch(config)#name SALES

C. Switch#vlan 5
Switch(config-vlan)#name SALES

D. Switch(config)#vlan 5 name SALES

E. Switch(config)#vlan 5
Switch(config-vlan)#SALES

You are troubleshooting an interface issue on your Cisco IOS ISR. The output of "show ip interface brief" indicates that Ethernet0/0 is down, down.
What are the possible reasons for this? (Choose three)

A. There is no cable attached to Ethernet0/0

B. The device at the other end of the cable is powered off

C. The Ethernet0/0 interface is shutdown

D. The interface on the device at the other end of the cable is shutdown

E. There is an encapsulation mismatch between the devices at each end of the cable

What is the default security violation mode for port security on a Cisco 2960 Catalyst switch?

A. Disable

B. Shutdown

C. Protect

D. None

E. Restrict

F. Err-disable

You are upgrading your Cisco IOS image on your 2900 ISR. You won't be removing the old IOS image from the device for disaster recovery reasons. After copying the IOS image from the tftp server to flash and rebooting the device, you notice that the old operating system image is still loading.

How can you load the new IOS image?

A. Issue the boot system command and reload the device

B. Issue the config-register 0x2142 command and reload the device

C. Issue the copy running-config startup-config command

D. Issue the write memory command

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 route type in the routing table identifies the networks that are attached to the local router?

A. Static route

B. Directly connected route

C. Dynamic route

D. Local route

E. Default route

You are currently building a network diagram. You need to add the model number of the local device you are connected to in the diagram.
Which command will provide you with the model number of the local Cisco IOS device?

A. show cdp neighbors detail

B. show cdp

C. show interfaces

D. show cdp neighbors

E. show version

F. show ip interface brief

What are the solutions to the public IPv4 addressing shortage? (Choose three)

A. Subnetting

B. ARP

C. Use of private IPv4 addresses

D. DHCP

E. IPv6

F. Creating more public IPv4 addresses

Which of the following messages in the DHCP process are broadcasted? (Choose two)

A. Request

B. Offer

C. Discover

D. Acknowledge

Which command is used to generate local RSA keys that will be used for SSH connections to a Cisco IOS device?

A. crypto generate rsa key

B. crypto generate key rsa

C. crypto key generate rsa

D. crypto rsa generate key

You need to create an ACL entry that will only permit all addresses in the 10.1.1.16/28 network.
Which address and wildcard mask combination will accomplish this for us?

A. 10.1.1.16 0.0.0.31

B. 10.1.1.16 0.0.0.63

C. 10.1.1.16 0.0.0.255

D. 10.1.1.16 0.0.0.15

E. 10.1.1.16 0.0.0.3

F. 10.1.1.16 0.0.0.7

Which address and wildcard mask combination will match all IPv4 addresses in the networks 192.168.0.0/24 through 192.168.63.0/24?

A. 192.168.0.0 0.0.31.255

B. 192.168.0.0 0.0.3.255

C. 192.168.0.0 0.0.15.255

D. 192.168.0.0 0.0.7.255

E. 192.168.0.0 0.0.127.255

F. 192.168.0.0 0.0.1.255

G. 192.168.0.0 0.0.63.255

Which statements provide reasons as to why you would implement a DHCP server in your Enterprise environment? (Choose two)

A. It will automatically assign MAC addresses to clients in accordance to VLAN settings

B. It is a favourable solution when mobile clients exist in the network

C. It provides host-based security including anti-virus and anti-malware

D. It will discover the MAC address to IPv4 address mappings for clients

E. It will automatically assign IPv4 addresses to clients in accordance to VLAN settings

What are the two main functions of a router? (Choose two)

A. Determine the optimal path to forward packets and store the decision in a routing table

B. Determine the optimal path to forward frames and store the decision in a MAC address table

C. Forward frames based on entries in a MAC address table

D. Forward packets based on entries in a routing table

Which command is used to ensure that a switch interface will never become a trunk and remain a member of a single VLAN?

A. Switchport mode trunk

B. Switchport mode access

C. Switchport nonegotiate

D. Switchport access vlan vlan-number

E. Switchport trunk encapsulation dot1q

What type of banner should you configure when you want the message to be displayed anytime a user is required to enter usernames and passwords for management sessions?

A. incoming

B. motd

C. login

D. EXEC

How does the static default route appear in the routing table for IPv6?

A. ::/0

B. ::

C. 0:0

D. 0/::

E. 0.0.0.0/0

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

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

By default, no password is required to connect to the console port.
Which commands are required to enable local line authentication for the console port? (Choose two)

A. enable

B. exec-timeout

C. privilege

D. login

E. secret

F. password

High levels of humidity pose a danger to the devices in your network.
What type of threat is this categorized as?

A. Maintenance

B. Physical

C. Environmental

D. Remote Access

E. Local Access

F. Electrical

Which command is used to set an inactivity timer for the vty lines on your Cisco IOS switch?

A. transport input telnet

B. service password-encryption

C. no login

D. enable secret

E. privilege

F. no exec

G. exec-timeout

Which command can be used to help disable multiple ports on a switch at the same time?

A. interface range

B. default interface

C. interface range shutdown

D. shutdown range

Which commands are used to enable a router interface and configure it with the IPv4 address 10.1.1.1/26? (Choose two)

A. no shutdown

B. ip 10.1.1.1 255.255.255.192

C. address 10.1.1.1 255.252.255.192

D. shutdown

E. enable

F. ip address 10.1.1.1 255.255.255.192

How many subnets are created from a Class C addressing space that is using a /29 subnet mask?

A. 16

B. 128

C. 64

D. 32

E. 8

F. 4

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