CCENT Practice Test ICND1 | Interconnecting Cisco Networking Devices Part 1

Exam: 100-105

Question 1 / 10 - Mode : Demo

90:00

Why must you subtract two addresses when determining the number of usable addresses within a subnet? (Choose two)

A. The last address is the directed broadcast address, which can be used to communicate with all devices in the LAN from another LAN

B. The first 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

D. The last address is the subnet ID; and routers use it to make forwarding decisions

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 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

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

What is the metric referred to as for RIPv2?

A. Cost

B. Hop-count

C. Metric

D. AS-path

E. Feasible distance

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

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

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 are configuring your edge routers interface with a public IP address for Internet connectivity. The router needs to obtain the IP address from the service provider dynamically. Which command is needed on interface FastEthernet 0/0 to accomplish this?

A. ip default-gateway

B. ip route

C. ip default-network

D. ip address dhcp

E. ip address dynamic

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

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