CCENT Practice Test ICND1 | Interconnecting Cisco Networking Devices Part 1

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

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

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 enable port security on an interface?

A. switchport port-security violation mode

B. switchport port-security

C. switchport access vlan vlan-number

D. switchport mode access

E. switchport port-security maximum number

F. switchport port-security mac-address mac_address

Which command will assign a static global IPv6 address to an interface?

A. ipv6 address 2001::12:1

B. ipv6 address fe80::12:1

C. ipv6 address 2001::12:1/64 global

D. ipv6 address fe80::12:1 global

E. ipv6 address fe80::12:1/64

F. ipv6 address 2001::12:1/64

Which of the following should be considered when implementing VLANs? (Choose three)

A. VLAN 1 is the default VLAN

B. The Native VLAN should also be VLAN 1

C. The maximum number of VLANs is switch dependent

D. Management traffic must always be in VLAN 1

E. The default VLAN needs to be identified during initial VLAN deployment

F. The maximum number of VLANs on all switches if 4094

G. The Native VLAN should be changed

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

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

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

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 IPv6 header field specifies the maximum number of hops that an IPv6 packet can take?

A. Flow label

B. Time to live

C. Next header

D. Hop limit

E. Traffic class

F. Extension header

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 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 command is used to display the open ports on a router so that you can determine which services should be disabled?

A. show ports open host

B. show control-plane host open-ports

C. show flash

D. show file system

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

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

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 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

You are configuring static NAT on a Cisco IOS router that is connected to your ISP. You goal is to have the private IP of 10.1.1.10 translated to 203.0.113.5. Which command must be issued on the interface connected to the service provider?

A. ip nat pool NAT_POOL 203.0.113.5

B. ip nat inside

C. ip nat outside

D. ip nat inside source static 10.1.1.10 203.0.113.5

What type of access-control list allows you to match traffic based on protocols and port numbers?

A. Standard IPv4 numbered ACL

B. MAC address ACL

C. Standard IPv4 named ACL

D. Extended IPv4 numbered ACL

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

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

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

A. Request

B. Offer

C. Discover

D. Acknowledge

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

A. CDP

B. VTP

C. DTP

D. STP

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

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

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

Which prefix correctly identifies an IPv6 link-local address?

A. FD00::/8

B. FC00::/7

C. FE80::/10

D. 2000::/3

E. F8E0::/10

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

A. ROM

B. RAM

C. TFTP

D. NVRAM

E. FLASH

How many IPv4 ACLs can you apply to a router interface?

A. Four, two inbound and two outbound

B. Two, one inbound and one outbound

C. As many as you need, inbound or outbound

D. Only one, inbound or outbound

Which statements are true about telnet and ssh? (Choose two)

A. Only data traffic is encrypted with ssh

B. All telnet traffic is sent in plain text

C. All ssh traffic is encrypted

D. The data is hashed by telnet during transmission

E. The username and password is hashed by telnet during authentication

F. Only authentication traffic is encrypted with ssh

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

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

What is used to determine the MAC address of a known IPv6 address?

A. ARPv6

B. DHCP

C. ARP

D. DHCPv6

E. Router discovery

F. Neighbor discovery

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 can you verify on a Cisco IOS ISR with the "show ip interface" command? (Choose four)

A. The number of packets input and output on the interface

B. The IP address and subnet mask of the interface

C. The name or number of an ACL that is applied to the interface

D. Whether the router is a DHCP relay agent

E. The MAC address of the interface

F. The method used to assign the IP address to the interface

G. The status and protocol status of the interface

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 configuring dynamic NAT on your Cisco IOS router that is connected to your ISP. What would be used to define the private IPv4 addresses that can be translated to public IPv4 addresses? (Choose three)

A. An access list

B. An IP NAT pool

C. The ip nat inside command

D. The ip nat outside command

E. The ip nat inside source list command

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

You are configuring RIPv2 on your Cisco IOS router.
Which command and configuration mode is used to enable the RIP routing process on an interface?

A. R1(config-router)#interface interface_id

B. R1(config-if)#ip rip enable

C. R1(config-router)#network network_id

D. R1(config-if)#network network_id

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

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

What is required for a directly connected route to be added to the routing table? (Choose two)

A. The network command must be issued under the routing process

B. BGP must be running on the router

C. A local route must be manually created

D. The IP route command must be configured in global configuration mode

E. Configure an IP address on the interface

F. The interface Status must be up and the Protocol must be up

Which command is used on a Cisco IOS router to enable the DHCP Relay Agent feature on an interface?

A. ip dhcp helper

B. ip dhcp relay

C. ip helper-address

D. ip dhcp relay-agent

E. ip dhcp transmit

F. ip dhcp helper-address

What can be verified in the output of show interfaces trunk? (Choose five)

A. The VLANs allowed on the trunk

B. The encapsulation method used for the trunk

C. The access vlan the port is a member of if it is not a trunk

D. The interfaces are trunks

E. The Native VLAN for the trunk

F. The administrative mode used to form the trunk

G. If DTP is enabled or disabled

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 Administrative Distance of internal EIGRP routes?

B. 170

C. 90

D. 20

E. 1

F. 110

G. 120

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

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

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

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

Cisco test CCENT 100-105

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