CCENT Practice Test ICND1 | Interconnecting Cisco Networking Devices Part 1

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

You have an ACL entry that has the address of 192.168.101.0 and the wildcard mask of 0.0.0.255.
What is the range of IPv4 addresses that will be affected by this ACL?

A. 192.168.101.100 through 192.168.101.200

B. 192.168.101.200 through 192.168.101.255

C. 192.168.101.0 through 192.168.101.100

D. 192.168.101.0 through 192.168.101.255

E. 192.168.101.0 through 0.0.0.255

Which statements correctly define ACLs? (Choose two)

A. They can only be used on routers

B. They are used as a classification tool

C. They identify traffic based on the application data

D. They are made up of various permit and deny entries

You need to verify the MAC address of Ethernet0/0 on your Cisco IOS ISR.
Which command will display the MAC address?

A. show interfaces Ethernet0/0

B. show mac-address table

C. show ip route

D. show version

E. show ip interface brief

F. show running-config

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 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 options are available for obtaining a license file? (Choose two)

A. Cisco Registration Manager

B. Cisco License Manager

C. Cisco Portal

D. Cisco PAK

E. Cisco License Registration Portal

F. Cisco Manager

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 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

Which option is a valid representation of the IPv6 address 2001:0db8:010F:0001:0000:0000:0000:0ACD?

A. 2001:db8:10F:1::ACD

B. 2001:db8:010F::1:0ACD

C. 2001:db8:01F:01::0ACD

D. 2001:0db8:1F:1::ACD

E. 21:db8:1F:1:ACD

You have taken the network 10.0.0.0 255.0.0.0 and created multiple subnets with a 255.255.255.128 subnet mask.
What is the block size of each of these new subnets?

A. 32

B. 256

C. 512

D. 16

E. 128

F. 64

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

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

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 are setting up a Cisco IOS router as a DHCP server.
Which command is used to identify the IPv4 address that is used as the default gateway for the LAN?

A. dns-server

B. default-gateway

C. ip dhcp excluded-address

D. ip dhcp pool

E. default-router

F. domain-name

G. network

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 of the commands will successfully create a named ACL called WEB_ACCESS that you can add permit and deny entries to for controlling access to web resources?

A. access-list standard WEB_ACCESS

B. ip access-list extended WEB_ACCESS

C. ip access-list standard WEB_ACCESS

D. access-list extended WEB_ACCESS

Why should you implement port security on a switch interface?

A. To control which devices are allowed to access the network

B. To prevent Layer 2 loops from occurring

C. To prevent a unidirectional link

D. To prevent MAC address flooding attacks

E. To control which devices are allowed to manage the switch

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

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

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

What will the following IPv4 ACL accomplish when applied inbound on interface FastEthernet0/0 of your Cisco ISR?

access-list 147 deny tcp 10.1.1.0 0.0.0.255 10.0.0.0 0.255.255.255 eq 23

A. Prevent any device with an IP address from 10.0.0.0 to 10.255.255.255 from establishing a telnet connection to any device with an IP address from 10.1.1.0 to 10.1.1.255

B. Allow any device with an IP address from 10.0.0.0 to 10.255.255.255 from establishing a telnet connection to any device with an IP address from 10.1.1.0 to 10.1.1.255

C. Allow any device with an IP address from 10.1.1.0 to 10.1.1.255 from establishing a telnet connection to any device with an IP address from 10.0.0.0 to 10.255.255.255

D. Allow any device with an IP address from 10.1.1.0 to 10.1.1.255 from establishing an ssh connection to any device with an IP address from 10.0.0.0 to 10.255.255.255

E. Prevent any device with an IP address from 10.1.1.0 to 10.1.1.255 from establishing a telnet connection to any device with an IP address from 10.0.0.0 to 10.255.255.255

F. Prevent any device with an IP address from 10.1.1.0 to 10.1.1.255 from establishing a telnet connection to the local router

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

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

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 need to apply an access-list to the vty lines on your router so that you can control which users can make telnet and ssh connections to the device.
Which command in line vty configuration mode will apply the access-list to the vty lines?

A. ip access-group access-list-number out

B. access-class access-list-number out

C. access-class access-list-number in

D. ip access-group access-list-number in

E. access-list access-list-number in

F. ip access-list access-list-number in

G. access-list access-list-number out

Which command will assign a global IPv6 address with an autoconfigured interface portion to a router interface?

A. ipv6 address 2001:db8:1:1::0001/64 eui-64

B. ipv6 address 2001:db8:1:1::0001/64 auto-configure

C. ipv6 address 2001:db8:1:1::/64 auto-configure

D. ipv6 address 2001:db8:1:1::/64 eui-64

E. ipv6 address 2001:db8:1:1::/64

You need to back up the Cisco IOS image for your 2900 ISR.
Which command can be used to verify the size of the IOS image that you will be backing up?

A. show startup-config

B. show vlan brief

C. show version

D. show platform nvram

E. show running-config

F. show flash

Which of the following are characteristics of IP? (Choose three)

A. Connection-oriented protocol

B. Guaranteed delivery

C. Connectionless protocol

D. Transport layer protocol

E. Best-effort delivery

F. Network layer protocol

You are performing password recovery on your Cisco 2900 ISR. You are currently in ROMMON mode.
What do you need to change the configuration register value to in order to perform password recover?

A. 0x2142

B. 0x2102

C. 0x2100

D. 0x2140

How does 802.1q identify the VLAN that the frame belongs to while it crosses the trunk link?

A. It encapsulates the entire frame with a 30 byte header and FCS

B. It encapsulates the entire frame with a 30 bits header and FCS

C. It places a 4 byte tag after the source MAC address in the frame

D. It places a 4 bit tag after the source MAC address in the frame

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

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

If you take the network 192.168.1.0/24 and create four subnets from it, what are the new subnet IDs? (Choose four)

A. 192.168.1.128

B. 192.168.1.32

C. 192.168.1.96

D. 192.168.1.64

E. 192.168.1.192

F. 192.168.1.0

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

You are implementing a VLSM network. You are using the Class B network of 172.16.0.0/16 and need to create 256 networks from this. The fifth network will then be subnetted into /30 networks.
What is the subnet ID of the fourth /30 network?

A. 172.16.4.12/30

B. 172.16.4.4/30

C. 172.16.4.6/30

D. 172.16.4.8/30

E. 172.16.4.14/30

F. 172.16.4.10/30

Which field in an IPv4 header identifies the life span of an IP packet and is decremented by one (1) each time a router forwards the packet?

A. Destination Address

B. Service Type

C. IHL

D. Version

E. TTL

F. Source Address

Cisco test CCENT 100-105

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 CCENT 100-105

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?