[Free] 2017(Oct) Dumps4cert Testinsides Cisco 200-125 Dumps with VCE and PDF Download 211-220

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CCNA Cisco Certified Network Associate CCNA (v3.0)

Question No: 211 – (Topic 5)

Which three are the components of SNMP? (Choose three)

  1. MIB

  2. SNMP Manager

  3. SysLog Server

  4. SNMP Agent

  5. Set

Answer: A,B,D Explanation:

SNMP is an application-layer protocol that provides a message format for communication between SNMP managers and agents. SNMP provides a standardized framework and a common language used for the monitoring and management of devices in a network.

The SNMP framework has three parts:

An SNMP manager

An SNMP agent

A Management Information Base (MIB)

The SNMP manager is the system used to control and monitor the activities of network hosts using SNMP. The most common managing system is called a Network Management System (NMS). The term NMS can be applied to either a dedicated device used for network management, or the applications used on such a device. A variety of network management applications are available for use with SNMP. These features range from simple command-line applications to feature-rich graphical user interfaces (such as the CiscoWorks2000 line of products).

The SNMP agent is the software component within the managed device that maintains the data for the device and reports these data, as needed, to managing systems. The agent and MIB reside on the routing device (router, access server, or switch). To enable the SNMP agent on a Cisco routing device, you must define the relationship between the manager and the agent.

The Management Information Base (MIB) is a virtual information storage area for network management information, which consists of collections of managed objects.

Question No: 212 – (Topic 5)

Refer to the exhibit.

Dumps4Cert 2017 PDF and VCE

Which address range efficiently summarizes the routing table of the addresses for router Main?

A. 172.16.0.0./21

B. 172.16.0.0./20

C. 172.16.0.0./16

D. 172.16.0.0/18

Answer: B Explanation:

The 172.16.0.0./20 network is the best option as it includes all networks from 172.16.0.0 – 172.16.16.0 and does it more efficiently than the /16 and /18 subnets. The /21 subnet will not include all the other subnets in this one single summarized address.

Question No: 213 – (Topic 5)

An administrator must assign static IP addresses to the servers in a network. For network 192.168.20.24/29, the router is assigned the first usable host address while the sales server is given the last usable host address. Which of the following should be entered into the IP properties box for the sales server?

A. IP address: 192.168.20.14

Subnet Mask: 255.255.255.248

Default Gateway: 192.168.20.9

B. IP address: 192.168.20.254

Subnet Mask: 255.255.255.0

Default Gateway: 192.168.20.1

C. IP address: 192.168.20.30

Subnet Mask: 255.255.255.248

Default Gateway: 192.168.20.25

D. IP address: 192.168.20.30

Subnet Mask: 255.255.255.240

Default Gateway: 192.168.20.17

E. IP address: 192.168.20.30

Subnet Mask: 255.255.255.240

Default Gateway: 192.168.20.25

Answer: C Explanation:

For the 192.168.20.24/29 network, the usable hosts are 192.168.24.25 (router) – 192.168.24.30 (used for the sales server).

Question No: 214 – (Topic 5)

Which two are features of IPv6? (Choose two.)

  1. anycast

  2. broadcast

  3. multicast

  4. podcast

  5. allcast

Answer: A,C Explanation:

IPv6 addresses are classified by the primary addressing and routing methodologies common in networking: unicast addressing, anycast addressing, and multicast addressing.

->A unicast address identifies a single network interface. The Internet Protocol

delivers packets sent to a unicast address to that specific interface.

->An anycast address is assigned to a group of interfaces, usually belonging to different nodes. A packet sent to an anycast address is delivered to just one of the member interfaces, typically the nearest host, according to the routing protocol’s definition of distance. Anycast addresses cannot be identified easily, they have the same format as unicast addresses, and differ only by their presence in the network at multiple points. Almost any unicast address can be employed as an anycast address.

->A multicast address is also used by multiple hosts, which acquire the multicast address destination by participating in the multicast distribution protocol among the network routers. A packet that is sent to a multicast address is delivered to all interfaces that have joined the corresponding multicast group.

Question No: 215 – (Topic 5)

Refer to the exhibit.

Dumps4Cert 2017 PDF and VCE

A new subnet with 60 hosts has been added to the network. Which subnet address should this network use to provide enough usable addresses while wasting the fewest addresses?

A. 192.168.1.56/26 B. 192.168.1.56/27 C. 192.168.1.64/26 D. 192.168.1.64/27

Answer: C Explanation:

A subnet with 60 host is 2*2*2*2*2*2 = 64 -2 == 62

6 bits needed for hosts part. Therefore subnet bits are 2 bits (8-6) in fourth octet. 8bits 8bits 8bits 2bits = /26

/26 bits subnet is 24bits 11000000 = 24bits 192 256 – 192 = 64

0 -63

64 – 127

Question No: 216 – (Topic 5)

Which three statements about HSRP operation are true? (Choose three.)

  1. The virtual IP address and virtual MA K44C address are active on the HSRP Master router.

  2. The HSRP default timers are a 3 second hello interval and a 10 second dead interval.

  3. HSRP supports only clear-text authentication.

  4. The HSRP virtual IP address must be on a different subnet than the routers#39; interfaces on the same LAN.

  5. The HSRP virtual IP address must be the same as one of the router#39;s interface addresses on the LAN.

  6. HSRP supports up to 255 groups per interface, enabling an administrative form of load balancing.

Answer: A,B,F Explanation:

The virtual MAC address of HSRP version 1 is 0000.0C07.ACxx, where xx is the HSRP group number in hexadecimal based on the respective interface. For example, HSRP group 10 uses the HSRP virtual MAC address of 0000.0C07.AC0A. HSRP version 2 uses a virtual MAC address of 0000.0C9F.FXXX (XXX: HSRP group in hexadecimal).

Question No: 217 – (Topic 5)

What is known as quot;one-to-nearestquot; addressing in IPv6?

  1. global unicast

  2. anycast

  3. multicast

  4. unspecified address

Answer: B Explanation:

IPv6 Anycast addresses are used for one-to-nearest communication, meaning an Anycast address is used by a device to send data to one specific recipient (interface) that is the closest out of a group of recipients (interfaces).

Question No: 218 – (Topic 5)

In a GLBP network, who is responsible for the ARP request?

  1. AVF

  2. AVG

  3. Active Router

  4. Standby Router

Answer: B Explanation:

Members of a GLBP group elect one gateway to be the active virtual gateway (AVG) for that group. Other group members provide backup for the AVG in the event that the AVG becomes unavailable. The AVG assigns a virtual MAC address to each member of the GLBP group. Each gateway assumes responsibility for forwarding packets sent to the virtual MAC address assigned to it by the AVG. These gateways are known as active virtual forwarders (AVFs) for their virtual MAC address.

The AVG is responsible for answering Address Resolution Protocol (ARP) requests for the virtual IP address. Load sharing is achieved by the AVG replying to the ARP requests with different virtual MAC addresses.

Reference: http://www.cisco.com/en/US/docs/ios/12_2t/12_2t15/feature/guide/ft_glbp.html

Question No: 219 – (Topic 5)

Which subnet mask would be appropriate for a network address range to be subnetted for up to eight LANs, with each LAN containing 5 to 26 hosts?

A. 0.0.0.240

B. 255.255.255.252

C. 255.255.255.0

D. 255.255.255.224

E. 255.255.255.240

Answer: D Explanation:

For a class C network, a mask of 255.255.255.224 will allow for up to 8 networks with 32 IP addresses each (30 usable).

Question No: 220 – (Topic 5)

Which two benefits are provided by using a hierarchical addressing network addressing scheme? (Choose two.)

  1. reduces routing table entries

  2. auto-negotiation of media rates

  3. efficient utilization of MAC addresses

  4. dedicated communications between devices

  5. ease of management and troubleshooting

Answer: A,E Explanation:

Here are some of the benefits of hierarchical addressing:

->Reduced number of routing table entries – whether it is with your Internet routers or your internal routers, you should try to keep your routing tables as small as possible by using route summarization. Route summarization is a way of having a single IP address represent a collection of IP addresses; this is most easily

accomplished when you employ a hierarchical addressing plan. By summarizing routes, you can keep your routing table entries (on the routers that receive the summarized routes) manageable, which offers the following benefits:

->Efficient allocation of addresses-Hierarchical addressing lets you take advantage

of all possible addresses because you group them contiguously.

Reference: http://www.ciscopress.com/articles/article.asp?p=174107

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