100-105 | A Review Of Validated 100-105 dumps


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New Cisco 100-105 Exam Dumps Collection (Question 3 - Question 12)

Question No: 3

Refer to the exhibit.

A host is connected to switch port fa0/3. The host and switch have been fully configured for IP connectivity as shown. However, the indicator LED on switch port fa0/3 is not on, and the host cannot communicate with any other hosts including those connected to VLAN 2 on the same switch. Based on the given information, what is the problem?

A. switch port fa0/3 is not configured as a trunk port

B. there is a bad cable

C. the switch has been assigned an incorrect subnet mask

D. switch port fa0/3 has been blocked by STP

E. the switch and the host must be in the same subnet

Answer: B

Question No: 4

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: C

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.

Question No: 5

Which value is indicated by the next hop in a routing table?

A. preference of the route source

B. IP address of the remote router for forwarding the packets

C. how the route was learned

D. exit interface IP address for forwarding the packets

Answer: D

Explanation:

The routing table contains network/next hop associations. These associations tell a router that a particular destination can be optimally reached by sending the packet to a specific

router that represents the "next hop" on the way to the final destination. The next hop association can also be the outgoing or exit interface to the final destination.

Question No: 6

What is the default administrative distance of OSPF?

A. 90

B. 100

C. 110

D. 120

Answer: C

Explanation: Explanation

The Administrative Distances (AD) of popular routing protocols are listed below:

After the show ip route command has been entered, the following routes are displayed. Which route will not be entered into the routing table of a neighboring router?

A. R 192.168.8.0/24 [120/1] via 192.168.2.2, 00:00:10, Serial0

B. R 192.168.11.0/24 [120/7] via 192.168.9.1, 00:00:03, Serial1

C. C 192.168.1.0/24 is directly connected, Ethernet0

D. R 192.168.5.0/24 [120/15] via 192.168.2.2, 00:00:10, Serial0

Answer: D

Explanation

The route 192.168.5.0/24 currently has the metric of 15 so this router will add 1 hop count before sending out to its neighboring router. With RIP, a metric of 16 means that network is down -> it will not be installed in the routing table of the neighboring router.

Question No: 7

Refer to the exhibit.

Pierre has just installed the mail server and Switch2. For security reasons UDP packets are not permitted outbound on the Fa0/1 router interface. Pierre is now at his workstation testing the new installation and is not able to establish SMTP communication to the mail server.

What is the most likely cause for lack of communication between Pierreu2021s workstation and the mail server?

A. The crossover cable should be a straight-through cable.

B. UDP is blocked coming out of the Fa0/1 interface on the router.

C. The server should be directly connected to the router.

D. The IP addresses are all on the same network. No router is required.

Answer: A

Question No: 8

Which method does a connected trunk port use to tag VLAN traffic?

A. IEEE 802 1w

B. IEEE 802 1D

C. IEEE 802 1Q

D. IEEE 802 1p

Answer: C

Explanation:

IEEE 802.1Q is the networking standard that supports virtual LANs (VLANs) on an Ethernet network. When a frame enters the VLAN-aware portion of the network (a trunk link, for example), a VLAN ID tag is added to represent the VLAN membership of that frame. The picture below shows how VLAN tag is added and removed while going through the network.

http://www.cisco.com/c/en/us/support/docs/lan-switching/8021q/17056-741-4.html

Question No: 9

Which command is used to build DHCP pool?

A. ipdhcp conflict

B. ipdhcp-server pool DHCP

C. ipdhcp pool DHCP

D. ipdhcp-client pool DHCP

Answer: C

Question No: 10

Scenario:

You work for a company that provides managed network services, and of your real estate clients running a small office is experiencing network issues, Troubleshoot the network issues.

Router R1 connects the main office to internet, and routers R2 and R3 are internal routers NAT is enabled on Router R1.

The routing protocol that is enable between routers R1, R2, and R3 is RIPv2.

R1 sends default route into RIPv2 for internal routers to forward internet traffic to R1. Server1 and Server2 are placed in VLAN 100 and 200 respectively, and dare still running

router on stick configuration with router R2.

You have console access on R1, R2, R3, and L2SW1 devices. Use only show commands to troubleshoot the issues.

Examine R2 configuration, the traffic that is destined to R3 LAN network sourced from Router R2 is forwarded to R1 instead R3. What could be an issue?

A. RIPv2 routing updates are suppressed between R2 and R3 using passive interface feature.

B. RIPv2 enabled on R3, but R3 LAN network that is not advertised into RIPv2 domain.

C. No issue that is identified; this behavior is normal since default route propagated into RIPv2 domain by Router R1.

D. RIPv2 not enabled on R3.

Answer: D

Question No: 11

Refer to the exhibit.

Which statement describes the effect of this configuration?

A. The VLAN 10 VTP configuration is displayed.

B. VLAN 10 spanning-tree output is displayed.

C. The VLAN 10 configuration is saved when the router exits VLAN configuration mode.

D. VLAN 10 is added to the VLAN database.

Answer: D

Explanation:

With the configuration above, when we type u201cdo show vlanu201d we would not see VLAN 10 in the VLAN database because it has not been created yet. VLAN 10 is only created when we exits VLAN configuration mode (with u201cexitu201d command).

Question No: 12

Refer to the exhibit.

A network technician is unable to ping from R1 to R2. What will help correct the problem?

A. Ensure that the serial cable is correctly plugged in to the interfaces.

B. Apply the clock rate 56000 configuration command to the serial0/1 interface of R1.

C. Configure the serial0/1 interfaces on R1 and R2 with the no shutdown command.

D. Change the address of the serial0/1 interface of R1 to 192.1.1.4.

E. Change the subnet masks of both interfaces to 255.255.255.240.

Answer: A

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