ccna test questions

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Question: 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?
A. An access list
B. An IP NAT pool
C. The ip nat inside command
Correct answer: A B C
Your answer: A E
Explanation:
Question: Which of the following options are dynamic routing protocols that are used with IPv6?
A. MP-BGP4
C. RIPng
E. OSPFv3
Correct answer: A C E
Your answer: B D
Explanation:
Question: You have just upgraded your Cisco IOS image on your Cisco 2900 ISR from 12.4 to the following image:
C2900-universalk9-mz.SPA-152-4.M1.bin
You have also deleted the 12.4 IOS image from the ISR. However, when you issue the "show version" command, you notice that
the 12.4 operating system is still in use.
How do you solve this issue?
C. Reboot the router
Correct answer: C
Your answer: A
Explanation:
How do you solve this issue?">
Question: Which features are used to extend the lifetime and usefulness of IPv4 networks?
A. Private Addressing
B. VLSM
C. CIDR
F. NAT
Correct answer: A B C F
Your answer: A D E F
Explanation:
Question: Which statements define the term block size?
A. It is determined exclusively based on the subnet mask
D. It is the progression between subnets within a specific octet
Correct answer: A D
Your answer: B D
Explanation:
Question: What is the correct order for the DHCP process?
C. Discover, Offer, Request, Acknowledge
Correct answer: C
Your answer: B
Explanation:
Question: What is the default subnet mask for a Class B address?
C. 255.255.0.0
Correct answer: C
Your answer: D
Explanation:
Question: What will occur automatically on a Cisco IOS router when you configure the interface to obtain an IPv4 address via
DHCP and the DHCP server hands out IP address, subnet mask, and default-gateway information?
C. A static default route with a next-hop IP of the ISP will be created in the routing table
Correct answer: C
Your answer: D
Explanation:
Question: 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?
F. show ip nat statistics
Correct answer: F
Your answer: B
Explanation:
Question: You have the network 192.168.5.0/24 that has been subnetted to /30 networks.
What is the subnet ID of the seventh subnet that was created?
D. 192.168.5.24/30
Correct answer: D
Your answer: C
Explanation:
Question: 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?
F. login local
Correct answer: F
Your answer: B
Explanation:
Question: You are implementing a Router on a Stick Inter-VLAN routing solution. What type of interfaces are needed for this
implementation?
E. Sub-interfaces
Correct answer: E
Your answer: D
Explanation:
Question: You want to verify the Cisco IOS software version, ROM version, amount of memory, type of processor, number and
types of interfaces, as well as the configuration register value on your 2900 series IOS router. What command will allow you to
accomplish this?
C. Show version
Correct answer: C
Your answer: A
Explanation:
Question: Which of the following protocols are used to auto negotiate trunk formation between two switches?
C. DTP
Correct answer: C
Your answer: B
Explanation:
Question: 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?
C. PAT
Correct answer: C
Your answer: A
Explanation:
Question: Which command will assign a static link-local address to an interface?
E. ipv6 address fe80::12:1 link-local
Correct answer: E
Your answer: D
Explanation:
Question: 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
Correct answer: A
Your answer: B
Explanation:
Question: 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?
C. There is no start-up configuration in NVRAM
Correct answer: C
Your answer: A
Explanation:
Question: What occurs when you enable the passive interface feature on a router interface that is running RIPv2?
C. It suppresses the sending of routing updates out the interface
Correct answer: C
Your answer: D
Explanation:
Question: 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?
F. Show vlans
Correct answer: F
Your answer: D
Explanation:
Question: Why must you subtract two addresses when determining the number of usable addresses within a subnet?
A. The last address is the directed broadcast address, which can be used to communicate with all devices in the LAN from another
LAN
C. The first address is the subnet ID; and routers use it to make forwarding decisions
Correct answer: A C
Your answer: B
Explanation:
Question: What type of access-control list allows you to match traffic based on protocols and port numbers?
D. Extended IPv4 numbered ACL
Correct answer: D
Your answer: B
Explanation:
Question: Which statements correctly define variable-length subnet masking (VLSM)?
A. The process of creating subnets with different length masks and deploying them throughout the network
D. The process of taking an existing subnet and subnetting it again
Correct answer: A D
Your answer: B D
Explanation:
Question: You are using CDP to build a network topology.
Which command is used to verify the IPv4 address of the neighboring Cisco IOS device?
E. show cdp neighbors detail
Correct answer: E
Your answer: B
Explanation:
Question: 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?
F. /20
Correct answer: F
Your answer: C
Explanation:
Question: You are setting up a Cisco IOS router as a DHCP server.
Which command is used to identify the IPv4 addresses that will be in the DHCP pool?
A. network
Correct answer: A
Your answer: D
Explanation:
Question: 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?
C. login
Correct answer: C
Your answer: A
Explanation:
Question: Which option is a valid representation of the IPv6 address 2001:0db8:010F:0001:0000:0000:0000:0ACD?
A. 2001:db8:10F:1::ACD
Correct answer: A
Your answer: B
Explanation:
Question: A poorly designed network typically includes which of the following?
A. Security vulnerabilities
B. Large broadcast domains
C. Small broadcast domains
D. Proper documentation
E. Management and support challenges
Correct answer: A B E
Your answer: B E
Explanation:
Question: Which is the customer side of the demarcation point?
A. PE
B. CSU
E. DSU
Correct answer: F
Your answer: B
Explanation:
Question: Which statements correctly describe a standard IPv4 ACL?
C. Permits or denies the entire protocol suite
D. Only uses the source IP address for matching
Correct answer: C D
Your answer: A D
Explanation:
Question: 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?
E. TTL
Correct answer: E
Your answer: D
Explanation:
Question: Which statement is true about the addresses 172.16.0.255/23 and 172.16.1.0/23?
D. The addresses are in the same subnet
Correct answer: D
Your answer: C
Explanation:
Question: At which phase of the DHCP process will a DHCP server provide the client with an IP address, subnet mask, and
default gateway?
D. Offer
Correct answer: D
Your answer: B
Explanation:
Question: 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
Correct answer: A
Your answer: B
Explanation:
Question: What is the destination address of a router solicitation packet?
A. FF02::2
Correct answer: A
Your answer: B
Explanation:
Question: High levels of humidity pose a danger to the devices in your network.
What type of threat is this categorized as?
C. Environmental
Correct answer: C
Your answer: D
Explanation:
Question: You have created VLAN 7 and need to assign FastEthernet 0/3 to it. Which command in interface configuration mode
will be used to accomplish this?
C. Switchport access vlan 7
Correct answer: C
Your answer: A
Explanation:
Question: Which command is used to verify the DHCP relay agent address that has been set up on your Cisco IOS router?
D. show ip interface
Correct answer: D
Your answer: C
Explanation:
Question: 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?
E. default-router
Correct answer: E
Your answer: D
Explanation:
Question: Which of the following protocols is used in redundant layer 2 networks to eliminate the effects of a loop?
A. STP
Correct answer: A
Your answer: D
Explanation:
Question: Which command will you use to verify that an IPv4 address has been applied to an interface in the correct direction?
C. show ip interface
Correct answer: C
Your answer: A
Explanation:
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