Cisco 200-105 Braindumps 2021

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Free demo questions for Cisco 200-105 Exam Dumps Below:

NEW QUESTION 1
Which value can you modify to configure a specific interface as the preferred forwarding interface?

  • A. the VLAN priority
  • B. the hello time
  • C. the port priority
  • D. the interface number

Answer: A

NEW QUESTION 2
After you configure a GRE tunnel between two networks, the tunnel comes up normally, but workstations on each side of the tunnel cannot communicate. Which reason for the problem is most likely true?

  • A. The tunnel source address is incorrect.
  • B. The tunnel destination address is incorrect.
  • C. The route between the networks is undefined.
  • D. The IP MTU is incorrect.
  • E. The distance configuration is missing.

Answer: A

NEW QUESTION 3
Refer to the exhibit.
200-105 dumps exhibit
The output that is shown is generated at a switch. Which three statements are true? (Choose three.)

  • A. All ports will be in a state of discarding, learning, or forwarding.
  • B. Thirty VLANs have been configured on this switch.
  • C. The bridge priority is lower than the default value for spanning tree.
  • D. All interfaces that are shown are on shared media.
  • E. All designated ports are in a forwarding state.
  • F. This switch must be the root bridge for all VLANs on this switch.

Answer: ACE

Explanation: From the output, we see that all ports are in Designated role (forwarding state) -> A and E are correct.
The command “show spanning-tree vlan 30 only shows us information about VLAN 30. We don’t know how many VLAN exists in this switch -> B is not correct.
The bridge priority of this switch is 24606 which is lower than the default value bridge priority 32768 -> C is correct.
All three interfaces on this switch have the connection type “p2p”, which means Point-to- point environment – not a shared media -> D is not correct.
The only thing we can specify is this switch is the root bridge for VLAN 3o but we can not guarantee it is also the root bridge for other VLANs -> F is not correct.

NEW QUESTION 4
Refer to the exhibit.
200-105 dumps exhibit
If the router Cisco returns the given output and has not had its router ID set manually, what
value will OSPF use as its router ID?

  • A. 192.168.1.1
  • B. 172.16.1.1
  • C. 1.1.1.1
  • D. 2.2.2.2

Answer: D

Explanation: If a router-id is not configured manually in the OSPF routing process the router will automatically configure a router-id determined from the highest IP address of a logical interface (loopback interface) or the highest IP address of an active interface. If more than one loopback interfaces are configured, the router will compare the IP addresses of each of the interfaces and choose the highest IP address from the loopbacks.

NEW QUESTION 5
DRAG DROP
200-105 dumps exhibit

    Answer:

    Explanation: Enhanced Interior Gateway Routing Protocol (EIGRP) is a Cisco proprietary routing protocol, so it is vendor-specific. By default, EIGRP internal routes have an administrative distance value of 90.
    OSPF uses cost as its metric. By default, the cost of an interface is calculated based on bandwidth with the formula cost= 10000 0000/bandwidth (in bps). OSPF elects a DR on each broadcast and nonbroadcast multiaccess networks (like Ethernet and Frame Relay
    environments, respectively). It doesn’t elect a DR on point-to-point link (like a serial WAN).

    NEW QUESTION 6
    200-105 dumps exhibit
    200-105 dumps exhibit
    To allow or prevent load balancing to network 172.16.3.0/24, which of the following commands could be used in R2? (Choose two.)

    • A. R2(config-if)#clock rate
    • B. R2(config-if)#bandwidth
    • C. R2(config-if)#ip ospf cost
    • D. R2(config-if)#ip ospf priority
    • E. R2(config-router)#distance ospf

    Answer: BC

    Explanation: OSPF Cost
    http://www.cisco.com/en/US/tech/tk365/technologies_white_paper09186a0080094e9e.sht ml#t6
    The cost (also called metric) of an interface in OSPF is an indication of the overhead required to send packets across a certain interface. The cost of an interface is inversely proportional to the bandwidth of that interface. A higher bandwidth indicates a lower cost. There is more overhead (higher cost) and time delays involved in crossing a 56k serial line than crossing a 10M ethernet line. The formula used to calculate the cost is:
    cost= 10000 0000/bandwith in bps
    For example, it will cost 10 EXP8/10 EXP7 = 10 to cross a 10M Ethernet line and will cost 10 EXP8/1544000 =64 to cross a T1 line.
    By default, the cost of an interface is calculated based on the bandwidth; you can force the cost of an interface with the ip ospf cost <value> interface subconfiguration mode command.

    NEW QUESTION 7
    At which layer of the OSI model does PPP perform?

    • A. Layer 2
    • B. Layer 3
    • C. Layer 4
    • D. Layer 5

    Answer: A

    Explanation: Point-to-Point Protocol (PPP) is a data link protocol commonly used in establishing a direct connection between two networking nodes. It can provide connection authentication, transmission encryption (using ECP, RFC 1968), and compression.

    NEW QUESTION 8
    From which PPPoE server configuration does a PPPoE client get an IP address?

    • A. AAA authentication
    • B. DHCP
    • C. dialer interface
    • D. virtual-template interface

    Answer: D

    Explanation: Topic 5, Infrastructure Services

    NEW QUESTION 9
    Which command should you enter to allow carrying voice, options:

    • A. switchport
    • B. switchport access
    • C. switchport trunk
    • D. switchport host

    Answer: B

    NEW QUESTION 10
    Which PPP subprotocol negotiates authentication options?

    • A. NCP
    • B. ISDN
    • C. SLIP
    • D. LCP
    • E. DLCI

    Answer: D

    Explanation: A protocol that establishes, configures, and tests data link connections used by the PPP Link Control Protocol offers PPP encapsulation different options, including the following: Authentication - options includes PAP and CHAP Compression - Data compression increases the throughput on a network link, by reducing the amount of data that must be transmitted. Error Detection -Quality and Magic numbers are used by PPP to ensure a reliable, loop-free data link.
    Multilink - Supported in IOS 11.1 and later, multilink is supported on PPP links between Cisco routers. This splits the load for PPP over two or more parallel circuits and is called a bundle.

    NEW QUESTION 11
    Users have been complaining that their Frame Relay connection to the corporate site is very slow. The network administrator suspects that the link is overloaded. Based on the partial output of the Router # show frame relay pvc command shown in the graphic, which output value indicates to the local router that traffic sent to the corporate site is experiencing congestion?
    200-105 dumps exhibit

    • A. DLCI=100
    • B. last time PVC status changed 00:25:40
    • C. in BECN packets 192
    • D. in FECN packets 147
    • E. in DF packets 0

    Answer: C

    Explanation: First we should grasp the concept of BECN & FECN through an example:
    200-105 dumps exhibit
    Suppose Router A wants to send data to Router B through a Frame Relay network. If the network is congested, Switch 1 (a DCE device) will set the FECN bit value of that frame to 1, indicating that frame experienced congestion in the path from source to destination. This frame is forwarded to Switch 2 and to Router B (with the FECN bit = 1).
    Switch 1 knows that the network is congesting so it also sends frames back to Router A
    with BECN bit set to 1 to inform that path through the network is congested.
    200-105 dumps exhibit
    In general, BECN is used on frames traveling away from the congested area to warn source devices that congestion has occurred on that path while FECN is used to alert receiving devices if the frame experiences congestion.
    BECN also informs the transmitting devices to slow down the traffic a bit until the network returns to normal state.
    The question asks “which output value indicates to the local router that traffic sent to the corporate site is experiencing congestion” which means it asks about the returned parameter which indicates congestion ->BECN.

    NEW QUESTION 12
    Which WAN technology uses labels to make decisions about data forwarding?

    • A. Metro Ethernet
    • B. Frame Relay
    • C. MPLS
    • D. ISDN
    • E. VSAT

    Answer: C

    NEW QUESTION 13
    What is the default encapsulation type for Cisco WAN serial interfaces?

    • A. GRE
    • B. PPP
    • C. Frame Relay
    • D. IEEE 802.1Q
    • E. HDLC

    Answer: E

    NEW QUESTION 14
    200-105 dumps exhibit
    200-105 dumps exhibit
    After the network has converged, what type of messaging, if any, occurs between R3 and R4?

    • A. No messages are exchanged.
    • B. Hellos are sent every 10 seconds.
    • C. The full database from each router is sent every 30 seconds.
    • D. The routing table from each router is sent every 60 seconds.

    Answer: B

    Explanation: HELLO messages are used to maintain adjacent neighbors so even when the network is converged, hellos are still exchanged. On broadcast and point-to-point links, the default is 10 seconds, on NBMA the default is 30 seconds.

    NEW QUESTION 15
    Which EIGRP for IPv6 command can you enter to view the link-local addresses of the neighbors of a device?

    • A. show ipv6 eigrp 20 interfaces
    • B. show ipv6 route eigrp
    • C. show ipv6 eigrp neighbors
    • D. show ip eigrp traffic

    Answer: C

    NEW QUESTION 16
    Refer to the exhibit.
    200-105 dumps exhibit
    Why has this switch not been elected the root bridge for VLAN1?

    • A. It has more than one interface that is connected to the root network segment.
    • B. It is running RSTP while the elected root bridge is running 802.1d spanning tree.
    • C. It has a higher MAC address than the elected root bridge.
    • D. It has a higher bridge ID than the elected root bridge.

    Answer: D

    Explanation: http://www.cisco.com/en/US/tech/tk389/tk621/technologies_tech_note09186a008009482f.s html
    When a switch receives a BPDU, it first compares priority, the lower number wins. If a tie, compare MAC, the smaller one wins. Here Switch has 32769 priority which is greater than 20481 so switch will not elect for root bridge. It says the bridge priority for Switch is 32769, and the root priority is 20481. Which means that some other switch has the lower priority and won the election for VLAN 1.

    NEW QUESTION 17
    CORRECT TEXT
    A new switch is being added to the River Campus LAN. You will work to complete this
    process by first configuring the building_2 switch with an IP address and default gateway. For the switch host address, you should use the last available IP address on the management subnet. In addition, the switch needs to be configured to be in the same VTP domain as the building_1 switch and also needs to be configured as a VTP client. Assume that the IP configuration and VTP configuration on building_1 are complete and correct. The configuration of the router is not accessible for this exercise. You must accomplish the following tasks:
    Determine and configure the IP host address of the new switch. Determine and configure the default gateway of the new switch. Determine and configure the correct VTP domain name for the new switch.
    Configure the new switch as a VTP client.
    200-105 dumps exhibit

      Answer:

      Explanation: The question states we can't access the router so we can only get required information from switch building_1. Click on the PC connected with switch building_1 (through a console line) to access switch building_1s CLI. On this switch use the show running-config command:
      building_1#show running-config
      Next use the show vtp status command to learn about the vtp domain on this switch building_1#show vtp status
      (Notice: the IP address, IP default-gateway and VTP domain name might be different!!!) You should write down these 3 parameters carefully.
      Configuring the new switch
      + Determine and configure the IP host address of the new switch The question requires "for
      the switch host address, you should use the last available IP address on the management subnet". The building_1 switch's IP address, which is 192.168.22.50 255.255.255.224, belongs to the management subnet.
      Increment: 32 (because 224 = 1110 0000)
      Network address: 192.168.22.32
      Broadcast address: 192.168.22.63
      ->The last available IP address on the management subnet is 192.168.22.62 and it hasn't been used (notice that the IP address of Fa0/1 interface of the router is also the default gateway address 192.168.22.35).
      Also notice that the management IP address of a switch should be configured in Vlan1 interface. After it is configured, we can connect to it via telnet or SSH to manage it. Switch2#configure terminal
      Switch2(config)#interface Vlan1
      Switch2(config-if)#ip address 192.168.22.62 255.255.255.224
      Switch2(config-if)#no shutdown (not really necessary since VLAN interfaces are not physical and are not shut
      down but, no harm in doing so and is good practice for physical ports)
      + Determine and configure the default gateway of the new switch The default gateway of this new switch is same as that of building_1 switch, which is 192.168.22.35 Switch2(config-if)#exit
      Switch2(config)#ip default-gateway 192.168.22.35
      + Determine and configure the correct VTP domain name for the new switch The VTP domain name shown on building_1 switch is Cisco so we have to use it in the new switch (notice: the VTP domain name will be different in the exam and it is case sensitive so be careful)
      Switch2(config)#vtp domain Cisco
      + Configure the new switch as a VTP client Switch2(config)#vtp mode client
      We should check the new configuration with the "show running-config" & "show vtp status"; also try pinging from the new switch to the the default gateway to make sure it works well. Finally save the configuration:
      Switch2(config)#exit
      Switch2#copy running-config startup-config

      NEW QUESTION 18
      Refer to the exhibit.
      200-105 dumps exhibit
      Assume that all router interfaces are operational and correctly configured. In addition, assume that OSPF has been correctly configured on router R2. How will the default route configured on R1 affect the operation of R2?

      • A. Any packet destined for a network that is not directly connected to router R1 will be dropped.
      • B. Any packet destined for a network that is not directly connected to router R2 will be dropped immediately.
      • C. Any packet destined for a network that is not directly connected to router R2 will be dropped immediately because of the lack of a gateway on R1.
      • D. The networks directly connected to router R2 will not be able to communicate with the 172.16.100.0, 172.16.100.128, and 172.16.100.64 subnetworks.
      • E. Any packet destined for a network that is not referenced in the routing table of router R2 will be directed to R1. R1 will then send that packet back to R2 and a routing loop will occur.

      Answer: E

      Explanation: First, notice that the more-specific routes will always be favored over less-specific routes regardless of the administrative distance set for a protocol. In this case, because we use OSPF for three networks (172.16.100.0 0.0.0.3, 172.16.100.64 0.0.0.63, 172.16.100.128
      0.0.0.31) so the packets destined for these networks will not be affected by the default route. The default route configured on R1 "ip route 0.0.0.0 0.0.0.0 serial0/0 will send any packet whose destination network is not referenced in the routing table of router R1 to R2, it doesn't drop anything so answers A, B and C are not correct. D is not correct too because these routes are declared in R1 and the question says that "OSPF has been correctly configured on router R2, so network directly connected to router R2 can communicate with those three subnetworks. As said above, the default route configured on R1 will send any packet destined for a network that is not referenced in its routing table to R2; R2 in turn sends it to R1 because it is the only way and a routing loop will occur.

      NEW QUESTION 19
      What Netflow component can be applied to an interface to track IPv4 traffic?

      • A. flow monitor
      • B. flow record
      • C. flow sampler
      • D. flow exporter

      Answer: A

      Explanation: A flow monitor is essentially a NetFlow cache. The Flow Monitor has two major components the Flow Record and the Flow Exporter. The flow monitor can track both ingress and egress information. The flow record contains what information being tracked by NetFlow (i.e. IP address, ports, protocol...). The Flow exporter describes the NetFlow export. Flow monitors may be used to track IPv4 traffic, IPv6 traffic, multicast or unicast, MPLS, bridged traffic. Multiple Flow monitors can be created and attached to a specific physical or logical interface. Flow monitors can also include packet sampling information if sampling is required.
      Reference: http://www.cisco.com/c/en/us/products/collateral/ios-nx-os-software/flexible-netflow/prod_qas0900aecd804be091.html

      NEW QUESTION 20
      Which two circumstances can cause collision domain issues on VLAN domain? (Choose two.)

      • A. duplex mismatches on Ethernet segments in the same VLAN
      • B. multiple errors on switchport interfaces
      • C. congestion on the switch inband path
      • D. a failing NIC in an end device
      • E. an overloaded shared segment

      Answer: AE

      Explanation: Collision Domains
      A collision domain is an area of a single LAN where end stations contend for access to the network because all end stations are connected to a shared physical medium. If two connected devices transmit onto the media at the same time, a collision occurs. When a collision occurs, a JAM signal is sent on the network, indicating that a collision has occurred and that devices should ignore any fragmented data associated with the collision. Both sending devices back off sending their data for a random amount and then try again if the medium is free for transmission. Therefore, collisions effectively delay transmission of data, lowering the effective throughput available to a device. The more devices that are attached to a collision domain, the greater the chances of collisions; this results in lower bandwidth and performance for each device attached to the collision domain. Bridges and switches terminate the physical signal path of a collision domain, allowing you to segment separate collision domains, breaking them up into multiple smaller pieces to provide more bandwidth per user within the new collision domains formed.

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