CCENT Practice Test ICND1 | Interconnecting Cisco Networking Devices Part 1

Which command in line vty configuration mode is needed while configuring SSH to inform the Cisco IOS router that authentication needs to be performed using usernames and passwords stored locally on the router?

A. login authentication local

B. login

C. privilege

D. username password

E. exec-timeout

F. login local

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

Your Cisco IOS router is acting as a DHCP server.
Which command will display the addresses that have been handed out to clients on the LAN?

A. show ip dhcp assignments

B. show ip dhcp address

C. show ip dhcp conflicts

D. show ip dhcp bindings

E. show ip dhcp pool

What is the default inactivity timer in minutes for the Console port on a Cisco IOS 2900 ISR?

A. 20

B. 5

C. 10

D. 15

E. 3

F. 1

G. 7

Which of the following options are true about IPv6 addresses? (Choose three)

A. Contain 8 fields of 4 hexadecimal values each

B. Are 32 bits in length

C. Are displayed in decimal characters

D. Are 128 bits in length

E. Are displayed in hexadecimal characters

You have taken the 172.16.0.0/16 network and subnetted it to a /23. The end result of this created 128 subnets. The first four subnet IDs are 172.16.0.0/23, 172.16.2.0/23, 172.16.4.0/23, and 172.16.6.0/23.
What are the fifth and sixth subnet IDs? (Choose two)

A. 172.16.10.0/23

B. 172.16.9.0/23

C. 172.16.7.0/23

D. 172.16.8.0/23

E. 172.16.11.0/23

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

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

What are the characteristics of a network ID as against an IP address? (Choose two)

A. Identifies the individual host

B. Identifies the network the host device belongs to

C. Assigned by organizations to individual devices

D. Used by routers to maintain information about routes

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 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 of the following options are examples of VLSM? (Choose three)

A. Taking the 192.168.1.0/27 and subnetting it to multiple /30s

B. Taking 192.168.1.0/24 and subnetting it to multiple /29s

C. Taking 172.16.1.0/24 and subnetting it to multiple /26s

D. Taking 10.1.24.128/26 and subnetting it to multiple /28s

E. Taking 172.16.0.0/16 and subnetting it to multiple /24s

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

You need to verify which interfaces have been enabled for port security and the security action that will be taken if a violation occurs.
Which show command will provide this information?

A. show interfaces

B. show port-security interface

C. show port-security address

D. show port-security

E. show ip interface

F. show ip interface brief

Which of the following statements are correct about VLANs? (Choose three)

A. The default VLAN is VLAN 1

B. VLAN 1 should be deleted for security reasons

C. All ports are a member of VLAN 1 by default

D. A VLAN must be configured on a switch before it can forward traffic for that VLAN

E. Switches do not need the VLAN configured in order to forward traffic for it

F. All ports are a member of no VLAN by default

G. The default VLAN is VLAN 1000

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 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

What is the scope of an IPv6 multicast address that starts with FF02?

A. Link-local

B. Global

C. Site local

D. Node

E. Organization

What occurs on a router when you issue the command "ipv6 enable" in interface configuration mode?

A. Nothing will happen until you issue the ipv6 unicast-routing command as well

B. The interface will automatically create a link-local address using EUI-64 for the interface portion

C. The interface will be enabled for DHCPv6

D. The interface will automatically create a link-local address using a random generator for the interface portion

You are configuring dynamic NAT on your Cisco IOS router. Which command is used to verify the interfaces that are being used as the outside interface and the inside interface?

A. show interfaces

B. show ip route

C. show ip nat translations

D. show ip interface brief

E. show ip interface

F. show ip nat statistics

Which statements define dynamic NAT when used for private to public translations?

A. Dynamic NAT only translates public addresses matching an ACL to private addresses that are defined in a NAT pool

B. Dynamic NAT only translates private addresses matching an ACL to public addresses that are defined in a NAT pool

C. Dynamic NAT only translates private addresses that are defined in a NAT pool to public addresses matching an ACL

D. Dynamic NAT allows multiple private addresses to be translated to the same public address

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

What is the destination address of a router solicitation packet?

A. FF02::2

B. FF02::A

C. FF02::9

D. FF02::6

E. FF02::1

F. FF02::5

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

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

Which command is used to ensure that R2 advertises 203.0.113.0/29 to R1 instead of 203.0.113.0/24 to R1?

A. network

B. maximum-paths

C. version 2

D. auto-summary

E. no auto-summary

Which statements correctly define VLANs? (Choose two)

A. VLANs can span many different Layer 3 routers

B. VLANs can span many different Layer 2 switches

C. VLANs divide a single physical collision domain into multiple logical collision domains

D. VLANs divide a single physical LAN into multiple logical LANs

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

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

Your router has learned about the network 172.17.8.0/24 from EIGRP and OSPF.
What information will the router populate the routing table with?

A. Both the EIGRP and OSPF information; and load balancing will occur

B. The OSPF information because it has the lower administrative distance

C. The EIGRP information because it has the lower administrative distance

D. The EIGRP information because it has the lower metric

E. The OSPF information because it has the lower metric

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

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

You have a Class C address with a subnet mask of /28.
How many bits were borrowed from the host portion of the address?

A. Six

B. One

C. Four

D. Two

E. Three

F. Five

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

You are configuring dynamic NAT on a Cisco IOS router. What is used to define the public IPv4 address that will be used for translations?

A. An extended access list

B. A DHCP pool

C. The inside interface

D. A NAT pool

E. A standard access list

F. The outside interface

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

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

What will the solicited node multicast address be for the IPv6 address 2001:DB8:1001:F:2C0:10FF:FE17:FC0F?

A. FF02:0000:0000:0000:0000:10FF:FE17:FC0F

B. FF02:0000:0000:0000:0000:0001:FF17:FC0F

C. 2001:0000:0000:0000:0000:0001:FF17:FC0F

D. FF02:0000:0000:0000:0000:0001:FE17:FC0F

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 best describe the role of a router? (Choose two)

A. Routers are used to connect hosts that are in the same local area network

B. Routers use a routing table to forward packets

C. Routers are used to connect hosts that are in different local area networks

D. Routers use a MAC address table to forward packets

You have a Class B IP address with a subnet mask of /22.
How many bits were borrowed from the host portion of the address?

A. Six

B. Five

C. Seven

D. Nine

E. Eight

F. Four

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 have a Class B addressing space with a subnet mask of /26.
How many subnets were created from the original Class B addressing space?

A. 4096

B. 2048

C. 128

D. 512

E. 1024

F. 256

Which command will back up the current configuration in RAM to NVRAM on our Cisco IOS Catalyst switch?

A. Copy running-configuration startup-configuration

B. Copy tftp running-configuration

C. Copy startup-configuration tftp

D. Copy startup-configuration running-configuration

E. Copy tftp startup-configuration

F. Copy running-configuration tftp

G. Copy ram nvram

You are currently using PAT to translate private IPv4 addresses to the public IPv4 address of your router interface. Users complain that on occasion Internet connections fail. You determine that these failures are a result of PAT running out of port numbers for unique translations. What should you do to resolve this issue?

A. Obtain another public IPv4 address from your ISP and configure it on another router interface along with the ip nat outside command

B. Purchase more port numbers from your ISP and assign them to NAT

C. Obtain another public IPv4 address from your ISP configure static NAT

D. Obtain another public IPv4 address from your ISP and configure dynamic NAT

E. Obtain another public IPv4 address from your ISP and use both IPv4 addresses in a NAT pool that PAT will use for overloading

You are configuring your Cisco IOS Router. You need to setup a password to control access to privilege EXEC mode.
Which commands can you use to accomplish this? (Choose two)

A. hostname

B. privilege

C. enable secret

D. enable password

E. password

Which statements correctly define unique local unicast addresses? (Choose two)

A. They are not routable

B. They are identified by the prefix FE80::/10

C. They are identified by the prefix 2000::/3

D. They are identified by the prefix FC00::/7

E. They are routable in your private network

F. They are globally routable

Where is the start-up configuration file stored and loaded from by default on a Cisco IOS router?

A. FLASH

B. NVRAM

C. RAM

D. TFTP

E. ROM

Which command will assign a static link-local address to an interface?

A. ipv6 address 2001::12:1 link-local

B. ipv6 address 2001::12:1/64 link-local

C. ipv6 address 2001::12:1

D. ipv6 address fe80::12:1/64 link-local

E. ipv6 address fe80::12:1 link-local

F. ipv6 address fe80::12:1

Cisco test CCENT 100-105

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