CCENT Practice Test ICND1 | Interconnecting Cisco Networking Devices Part 1

Which of the following describes dynamic routing protocols? (Choose two)

A. They are configured on Layer 2 switches

B. They can choose an alternate path to a learned network when the current path no longer exists

C. They are best used in small networks

D. They are statically configured with remote networks

E. They can choose the best path to a learned network when multiple paths exist

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 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

What is the default subnet mask for a Class B address?

A. 255.255.255.255

B. 0.0.0.0

C. 255.255.0.0

D. 255.255.255.0

E. 255.0.0.0

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

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 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

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

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

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 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

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

Which port on a Cisco IOS ISR is used for initial management connectivity?

A. Ethernet

B. USB

C. ADSL

D. Console

E. Aux

F. Serial

What is the correct order for the DHCP process?

A. Offer, Discover, Acknowledge, Request

B. Request, Acknowledge, Discover, Offer

C. Discover, Offer, Request, Acknowledge

D. Request, Offer, Discover, Acknowledge

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

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

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 of the following correctly define the NATIVE VLAN? (Choose three)

A. It must match on both ends of a trunk link

B. It is VLAN 1 by default

C. It is only available with 802.1q encapsulation

D. It is available with both ISL and 802.1q encapsulation

E. It is not associated with any VLAN by default

F. It is only available with ISL encapsulation

G. It must be configured as VLAN 1 if used

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 need to create a wildcard mask for the entire Class B private IPv4 address space; 172.16.0.0/16 through 172.31.0.0/16.
What is the wildcard mask?

A. 0.0.15.255

B. 0.15.255.255

C. 0.0.31.255

D. 0.31.255.255

E. 0.0.7.255

F. 0.7.255.255

When the Cisco IOS image is located during boot, where is it loaded?

A. ROM

B. RAM

C. TFTP

D. NVRAM

E. FLASH

Which protocol is used to discover directly connected Cisco IOS devices?

A. VTP

B. STP

C. HSRP

D. CDP

E. DTP

You need to configure your 2960 Catalyst switch to automatically recover a port within one minute that has been placed in the err-disabled state because too many MAC addresses were learned on an interface.
Which commands will accomplish this for you? (Choose two)

A. errdisable recovery cause psecure-violation

B. errdisable recovery interval 10

C. errdisable recovery cause bpduguard

D. errdisable recovery interval 60

E. errdisable recovery interval 1

F. errdisable recovery cause security-violation

Which of the following options are dynamic routing protocols that are used with IPv6? (Choose three)

A. MP-BGP4

B. RIPv2

C. RIPng

D. OSPFv2

E. OSPFv3

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

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

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

You are looking at the MAC address 00:00:0c:43:2e:08.
Which hexadecimal values in the MAC address represent the vendor-assigned portion of the MAC address?

A. 43:2e:08

B. 00:00:0c:43:2e:08

C. 2e:08

D. c:43:2e:08

E. 00:0c:43:2e:08

F. 0c:43:2e:08

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 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 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

What protocol is used to synchronize time between various Cisco IOS devices in your network?

A. LACP

B. NTP

C. DTP

D. VTP

E. CDP

F. STP

G. PAgP

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

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

What is the purpose of subnetting?

A. To translate an IPv4 address into an IPv6 address

B. To take multiple networks and combine them into a single larger network

C. To take a Class A network and turn it into a Class B or Class C network

D. To translate a public IPv4 address into a private IPv4 address

E. To take a single network and divide it into multiple smaller networks

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

Which of the following protocols is used in redundant layer 2 networks to eliminate the effects of a loop?

A. STP

B. CDP

C. VTP

D. DTP

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 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

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

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

Which command is used to disable CDP on an interface?

A. no lldp enable

B. no run

C. no lldp run

D. no cdp enable

E. no enable

F. no cdp run

You are configuring RIP on your Cisco IOS router.
Which configuration command will successfully enable RIPv2?

A. R1(config)#router rip
R1(config-router)#2

B. R1(config)#router rip version 2

C. R1(config)#router rip
R1(config-router)#version 2

D. R1(config)#router rip 1
R1(config-router)#version 2

E. R1(config)#router rip 2

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

What is the interface portion of an IPv6 address that is using EUI-64 if the interface MAC address is 00A1-6789-ABCD?

A. 01A1:67FF:FE89:ABCD

B. DCBA:98EF:FF76:1A20

C. 02A1:67FF:FE89:ABCD

D. 02A1:67FE:FE89:ABCD

E. 00A1:67FF:FE89:ABCD

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

What does a 2900 ISR do if the POST is successful during start up, but there is no configuration file to load?

A. It shuts down

B. It creates a configuration file with default settings and loads user EXEC mode

C. It initiates the system configuration dialog

D. It reboots

E. It enters ROMMON mode

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 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

Which command will you use to verify that an IPv4 address has been applied to an interface in the correct direction?

A. show access-list

B. show interface

C. show ip interface

D. show ip interface brief

E. show access-list interfaces

F. show access-group

What is the wildcard mask equivalent of the subnet mask /23?

A. 0.0.0.1

B. 0.0.3.255

C. 0.0.1.255

D. 0.0.0.0

E. 0.0.0.3

F. 0.0.7.255

G. 0.0.0.7

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

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

You need to determine the VLAN ID that will be placed in a frame as it exits your Cisco IOS ISR interface of GigabitEthernet 0/0.20. Which command will you use?

A. Show ip route

B. Show mac-address table dynamic

C. Show interface gigabitethernet 0/0.20

D. Show ip arp

E. Show interfaces trunk

F. Show vlans

G. Show interface gigabitethernet 0/0.20 switchport

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

A. Request

B. Offer

C. Discover

D. Acknowledge

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