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Q111. - (Topic 7) 

On which type of device is every port in the same collision domain? 

A. a router B. a Layer 2 switch 

C. a hub 

Answer:

Explanation: Collision domainA collision domain is, as the name implies, a part of a network where packet collisions can occur. A collision occurs when two devices send a packet at the same time on the shared network segment. The packets collide and both devices must send the packets again, which reduces network efficiency. Collisions are often in a hub environment, because each port on a hub is in the same collision domain. By contrast, each port on a bridge, a switch or a router is in a separate collision domain. 


Q112. - (Topic 3) 

Which command can you use to manually assign a static IPV6 address to a router interface? 

A. ipv6 address PREFIX_1::1/64 

B. ipv6 autoconfig 2001:db8:2222:7272::72/64 

C. ipv6 autoconfig 

D. ipv6 address 2001:db8:2222:7272::72/64 

Answer:

Explanation: 

An example of configuring IPv6 on an interface is shown below: Router(config)# interface fastethernet 0/1 Router(config-if)# ipv6 address 3000::2222:1/64 


Q113. - (Topic 5) 

Including the address on the Routed Ethernet interface, how many hosts can have IP addresses on the LAN to which Routed is connected? 

A. 6 

B. 30 

C. 62 

D. 126 

Answer:

Explanation: 

This is a /29 address, so there are 6 usable IP’s on this subnet. 


Q114. - (Topic 4) 

What is the best practice when assigning IP addresses in a small office of six hosts? 

A. Use a DHCP server that is located at the headquarters. 

B. Use a DHCP server that is located at the branch office. 

C. Assign the addresses by using the local CDP protocol. 

D. Assign the addresses statically on each node. 

Answer:

Explanation: 

Its best to use static addressing scheme where the number of systems is manageable rather than using a dynamic method such as DHCP as it is easy to operate and manage. 


Q115. - (Topic 3) 

Which IP address is a private address? 

A. 12.0.0.1 

B. 168.172.19.39 

C. 172.20.14.36 

D. 172.33.194.30 

E. 192.169.42.34 

Answer:


Q116. - (Topic 7) 

Which NAT type is used to translate a single inside address to a single outside address? 

A. dynamic NAT 

B. NAT overload 

C. PAT 

D. static NAT 

Answer:

Explanation: 

Network address translation (NAT) is the process of modifying IP address information in 

IP packet headers while in transit across a traffic routing device. 

There are two different types of NAT: . NAT . PAT 


Q117. - (Topic 3) 

Scenario 

Refer to the topology. Your company has decided to connect the main office with three other remote branch offices using point-to-point serial links. 

You are required to troubleshoot and resolve OSPF neighbor adjacency issues between the main office and the routers located in the remote branch offices. 

R1 does not form an OSPF neighbor adjacency with R2. Which option would fix the issue? 

A. R1 ethernetO/1 is shutdown. Configure no shutdown command. 

B. R1 ethernetO/1 configured with a non-default OSPF hello interval of 25: configure no ip ospf hello-interval 25 

C. R2 ethernetO/1 and R3 ethernetO/O are configured with a non-default OSPF hello interval of 25; configure no ip ospf hello-interval 25 

D. Enable OSPF for R1 ethernetO/1; configure ip ospf 1 area 0 command under ethernetO/1 

Answer:

Explanation: 

Looking at the configuration of R1, we see that R1 is configured with a hello interval of 25 on interface Ethernet 0/1 while R2 is left with the default of 10 (not configured). 


Q118. - (Topic 3) 

OSPF routing uses the concept of areas. What are the characteristics of OSPF areas? (Choose Three.) 

A. Each OSPF area requires a loopback interface to be configured. 

B. Areas may be assigned any number from 0 to 65535. 

C. Area 0 is called the backbone area. 

D. Hierarchical OSPF networks do not require multiple areas. 

E. Multiple OSPF areas must connect to area 0. 

F. Single area OSPF networks must be configured in area 1. 

Answer: B,C,E 

Explanation: 

Definition of OSPF areas: An OSPF network may be structured, or subdivided, into routing areas to simplify administration and optimize traffic and resource utilization. Areas are identified by 32-bit numbers, expressed either simply in decimal, or often in octet-based dot-decimal notation, familiar from IPv4 address notation. 

See discussion following Cisco Learning discussion. 

https://learningnetwork.cisco.com/message/90832 


Q119. - (Topic 1) 

Refer to the exhibit. 

HostX is transferring a file to the FTP server. Point A represents the frame as it goes toward the Toronto router. What will the Layer 2 destination address be at this point? 

A. abcd.1123.0045 

B. 192.168.7.17 

C. aabb.5555.2222 

D. 192.168.1.1 

E. abcd.2246.0035 

Answer:

Explanation: 

For packets destined to a host on another IP network, the destination MAC address will be the LAN interface of the router. Since the FTP server lies on a different network, the host will know to send the frame to its default gateway, which is Toronto. 


Q120. CORRECT TEXT - (Topic 6) 

There are three locations in a school district of a large city: ROUTER -M, ROUTER -W and ROUTER -U. The network connection between two of these locations has already functioned. Configure the ROUTER -M router IP addresses on the E0 and S0 interfaces so that the E0 receives the first usable subnet while the S0 receives the second usable subnet from the network 192.168.160.0/28. Both interfaces would receive the last available ip address on the proper subnet. 

NotE. The OSPF process must be configured to allow interfaces in specific subnets to participate in the routing process. 

Answer: ROUTER-M> enable PassworD. Cisco ROUTER-M# config t ROUTER-M(config)# interface e0 ROUTER-M(config-if)# ip address 192.168.160.14 255.255.255.240 

ROUTER-M(config-if)# no shutdown ROUTER -M(config-if)# exit ROUTER -M(config)# interface s0 ROUTER-M(config-if)# ip address 192.168.160.30 255.255.255.240 ROUTER-M(config-if)# no shutdown ROUTER-M(config-if)# end ROUTER-M# copy run start