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New Cisco 100-105 Exam Dumps Collection (Question 8 - Question 17)

Q1. WAN data link encapsulation types include which of the following? (Choose two.)

A. T1

B. Frame Relay

C. DSL

D. PPP

E. ISDN

Answer: B,D

Q2. Which statement about the default switch configuration for remote access managements is true?

A. The system name is set to Cisco.

B. The Telnet password is set to cisco.

C. No default gateway is defined.

D. One IP address is preconfigured.

Answer: C

Q3. Configuration of which option is required on a Cisco switch for the Cisco IP phone to work?

A. PortFast on the interface

B. the interface as an access port to allow the voice VLAN ID

C. a voice VLAN ID in interface and global configuration mode

D. Cisco Discovery Protocol in global configuration mode

Answer: B

Explanation: Explanation

When you connect an IP phone to a switch using a trunk link, it can cause high CPU utilization in the switches. As all the VLANs for a particular interface are trunked to the phone, it increases the number of STP instances the switch has to manage. This increases the CPU utilization. Trunking also causes unnecessary broadcast / multicast / unknown unicast traffic to hit the phone link.

In order to avoid this, remove the trunk configuration and keep the voice and access VLAN configured along with Quality of Service (QoS). Technically, it is still a trunk, but it is called a Multi-VLAN Access Port (MVAP). Because voice and data traffic can travel through the same port, you should specify a different VLAN for each type of traffic. You can configure a switch port to forward voice and data traffic on different VLANs. Configure IP phone ports with a voice VLAN configuration. This configuration creates a pseudo trunk, but does not require you to manually prune the unnecessary VLANs.

The voice VLAN feature enables access ports to carry IP voice traffic from an IP phone. You can configure a voice VLAN with the u201cswitchport voice vlan u2026u201d command under interface mode. The full configuration is shown below:

Switch(config)#interface fastethernet0/1 Switch(config-if)#switchport mode access Switch(config-if)#switchport access vlan 10 Switch(config-if)#switchport voice vlan 20

Reference: http://www.cisco.com/c/en/us/support/docs/switches/catalyst-4500-series-

switches/69632-configuring-cat-ip-phone.html

Configure the Switch Port to Carry Both Voice and Data TrafficWhen you connect an IP phone to a switch using a trunk link, it can cause high CPU utilization in the switches. As all the VLANs for a particular interface are trunked to the phone, it increases the number of STP instances the switch has to manage. This increases the CPU utilization. Trunking also causes unnecessary broadcast / multicast / unknown unicast traffic to hit the phone link.

The voice VLAN feature enables access ports to carry IP voice traffic from an IP phone. The voice VLAN feature is disabled by default. The Port Fast feature is automatically enabled when voice VLAN is configured. When you disable voice VLAN, the Port Fast

feature is not automatically disabled.

Q4. Which device allows users to connect to the network using a single or double radio?

A. access point

B. switch

C. wireless controller

D. firewall

Answer: A

Q5. 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

Q6. Which dynamic routing protocol uses only the hop count to determine the best path to a destination?

A. IGRP

B. RIP

C. EIGRP

D. OSPF

Answer: C

Q7. A network administrator has subnetted the 172.16.0.0 network using a subnet mask of 255.255.255.192. A duplicate IP address of 172.16.2.120 has accidentally been configured on a workstation in the network. The technician must assign this workstation a new IP address within that same subnetwork. Which address should be assigned to the workstation?

A. 172.16.1.80

B. 172.16.2.80

C. 172.16.1.64

D. 172.16.2.64

E. 172.16.2.127

F. 172.16.2.128

Answer: B

Q8. CORRECT TEXTThere 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

Q9. 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

Q10. What is the default lease time for a DHCP binding?

A. 24 hours

B. 12 hours

C. 48 hours

D. 36 hours

Answer: A

Explanation: By default, each IP address assigned by a DHCP Server comes with a one- day lease, which is the amount of time that the address is valid. To change the lease value for an IP address, use the following command in DHCP pool configuration mode:

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