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NEW QUESTION 34
A network administrator needs to configure a serial link between the main office and a remote location. The router at the remote office is a non-Cisco router. How should the network administrator configure the serial interface of the main office router to make the connection?
- A. Main(config)# interface serial 0/0 Main(config-if)#ip address 172.16.1.1 255.255.255.252 Main(config-if)#encapsulation ietf Main(config-if)# no shut
- B. Main(config)# interface serial 0/0 Main(config-if)# ip address 172.16.1.1 255.255.255.252 Main(config-if)# encapsulation ppp Main(config-if)# no shut
- C. Main(config)# interface serial 0/0 Main(config-if)# ip address 172.16.1.1 255.255.255.252 Main(config-if)# no shut
- D. Main(config)# interface serial 0/0 Main(config-if)# ip address 172.16.1.1 255.255.255.252 Main(config-if)# encapsulation frame-relay Main(config-if)# authentication chap Main(config-if)# no shut
Answer: B
NEW QUESTION 35
Refer to the exhibit.
Given the output shown from this Cisco Catalyst 2950, what is the reason that interface
FastEthernet 0/10 is not the root port for VLAN 2?
- A. This switch has more than one interface connected to the root network segment in VLAN 2.
- B. This switch has a lower bridge ID for VLAN 2 than the elected designated switch.
- C. This switch is running RSTP while the elected designated switch is running 802.1d Spanning Tree.
- D. This switch interface has a higher path cost to the root bridge than another in the topology.
Answer: D
NEW QUESTION 36
Which command enables IPv6 forwarding on a Cisco router?
- A. ipv6 local
- B. ipv6 host
- C. ipv6 unicast-routing
- D. ipv6 neighbor
Answer: C
Explanation:
http://www.ciscopress.com/articles/article.asp?p=31948&seqNum=4
The first step of enabling IPv6 on a Cisco router is the activation of IPv6 traffic forwarding to forward unicast IPv6 packets between network interfaces. By default, IPv6 traffic forwarding is disabled on Cisco routers. The ipv6 unicast-routing command is used to enable the forwarding of IPv6 packets between interfaces on the router. The syntax for this command is as follows: Router(config)#ipv6 unicast-routing The ipv6 unicast-routing command is enabled on a global basis.
NEW QUESTION 37
Which PPP subprotocol negotiates authentication options?
- A. ISDN
- B. DLCI
- C. NCP
- D. LCP
- E. SLIP
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 38
The network administrator has been asked to give reasons for moving from IPv4 to IPv6. What are two valid reasons for adopting IPv6 over IPv4? (Choose two.)
- A. no broadcast
- B. NAT
- C. autoconfig
- D. change of source address in the IPv6 header
- E. change of destination address in the IPv6 header
- F. Telnet access does not require a password
Answer: A,C
Explanation:
Six Benefits Of IPv6 http://www.networkcomputing.com/ipv6/six-benefits-of-ipv6/230500009
With IPv6, everything from appliances to automobiles can be interconnected. But an increased number of IT addresses isn't the only advantage of IPv6 over IPv4. In honor of World IPv6 Day, here are six more good reasons to make sure your hardware, software, and services support IPv6. More Efficient Routing IPv6 reduces the size of routing tables and makes routing more efficient and hierarchical. IPv6 allows ISPs to aggregate the prefixes of their customers' networks into a single prefix and announce this one prefix to the IPv6 Internet. In addition, in IPv6 networks, fragmentation is handled by the source device, rather than the router, using a protocol for discovery of the path's maximum transmission unit (MTU).
More Efficient Packet Processing IPv6's simplified packet header makes packet processing more efficient. Compared with IPv4, IPv6 contains no IP-level checksum, so the checksum does not need to be recalculated at every router hop. Getting rid of the IPlevel checksum was possible because most link-layer technologies already contain checksum and error-control capabilities. In addition, most transport layers, which handle end-to-end connectivity, have a checksum that enables error detection. Directed Data Flows IPv6 supports multicast rather than broadcast. Multicast allows bandwidth-intensive packet flows (like multimedia streams) to be sent to multiple destinations simultaneously, saving network bandwidth. Disinterested hosts no longer must process broadcast packets. In addition, the IPv6 header has a new field, named Flow Label, that can identify packets belonging to the same flow. Simplified Network Configuration Address auto-configuration (address assignment) is built in to IPv6. A router will send the prefix of the local link in its router advertisements. A host can generate its own IP address by appending its link-layer (MAC) address, converted into Extended Universal Identifier (EUI) 64-bit format, to the 64 bits of the local link prefix.
Support For New Services By eliminating Network Address Translation (NAT), true end-to-end connectivity at the IP layer is restored, enabling new and valuable services. Peer-to-peer networks are easier to create and maintain, and services such as VoIP and Quality of Service (QoS) become more robust. Security IPSec, which provides confidentiality, authentication and data integrity, is baked into in IPv6. Because of their potential to carry malware, IPv4 ICMP packets are often blocked bycorporate firewalls, but ICMPv6, the implementation of the Internet Control Message Protocol for IPv6, may be permitted because IPSec can be applied to the ICMPv6 packets.
NEW QUESTION 39
Refer to the exhibit.
When running EIGRP, what is required for RouterA to exchange routing updates with RouterC?
- A. The no auto-summary command is needed on Router A and Router C
- B. AS numbers must be changed to match on all the routers
- C. Loopback interfaces must be configured so a DR is elected
- D. Router B needs to have two network statements, one for each connected network
Answer: B
Explanation:
Here we required same autonomous system between router A,B,C.Routing updated always exchange between in same EIGRP EIGRP autonomous system.you can configure more than one EIGRP autonomous system on the same router. This is typically done at a redistribution point where two EIGRP autonomous systems are interconnected. Individual router interfaces should only be included within a single EIGRP autonomous system. Cisco does not recommend running multiple EIGRP autonomous systems on the same set of interfaces on the router. If multiple EIGRP autonomous systems are used with multiple points of mutual redistribution, it can cause discrepancies in the EIGRP topology table if correct filtering is not performed at the redistribution points. If possible, Cisco recommends you configure only one EIGRP autonomous system in any single autonomous system. http://www.cisco.com/en/US/tech/tk365/technologies_tech_note09186a0080093f07.shtml
NEW QUESTION 40
A travel company wants to know if it gets additional conversions by relying only on its direct response strategies, as opposed to combining each strategy with branding campaigns. The company continuously keeps track of each strategy's performance, but it measures them separately. Also, each strategy's measurement has its own KPI. These are the latest results:
* Branding campaigns:
* A benchmark of 35 Brand Lift tests, SI.70 USD per additional ad recaller
* An average of 125 conversions per campaign
* Direct response campaigns:
; A benchmark of 20 Lift tests, $2.50 USD per Conversion Lift - An average of 370 conversions per campaign
What should the company do to test if it gets more incremental conversions from relying only on direct response strategies?
- A. Review last-touch attribution model
- B. Run both strategies at the same time and compare the conversions
- C. Set up an A/B test comparing both strategies
- D. Build a test based on a multi-cell experimental design
Answer: B
NEW QUESTION 41
What is the advantage of using a multipoint interface instead of point-to-point subinterfaces when configuring a Frame Relay hub in a hub-and-spoke topology?
- A. IP addresses can be conserved if VLSM is not being used for subnetting.
- B. A multipoint interface offers greater security compared to point-to-point subinterface configurations.
- C. The multiple IP network addresses required for a multipoint interface provide greater addressing flexibility over point-to-point configurations.
- D. It avoids split-horizon issues with distance vector routing protocols.
Answer: A
NEW QUESTION 42
What information does a router running a link-state protocol use to build and maintain its topological database? (Choose two.)
- A. hello packets
- B. TTL packets from designated routers
- C. SAP messages sent by other routers
- D. routing tables received from other link-state routers
- E. beacons received on point-to-point links
- F. LSAs from other routers
Answer: A,F
NEW QUESTION 43
What are the benefit of using Netflow? (Choose three.)
- A. Network Planning
- B. Accounting/Billing
- C. Network, Application & User Monitoring
- D. Security Analysis
Answer: B,C,D
Explanation:
NetFlow Definitions and Benefits Reference:
http://www.cisco.com/en/US/products/sw/netmgtsw/ps1964/products_implementation_design_guid e09186a00800d6a11.html#wp1030045
Explanation:
NetFlow traditionally enables several key customer applications including:
Network Monitoring-NetFlow data enables extensive near real time network monitoring capabilities. Flowbased analysis techniques may be utilized to visualize traffic patterns associated with individual routers and switches as well as on a network-wide basis (providing aggregate traffic or application based views) to provide proactive problem detection, efficient troubleshooting, and rapid problem resolution.
Application Monitoring and Profiling-NetFlow data enables network managers to gain a detailed, timebased, view of application usage over the network. This information is used to plan, understand new services, and allocate network and application resources (e.g. Web server sizing and VoIP deployment) to responsively meet customer demands.
User Monitoring and Profiling-NetFlow data enables network engineers to gain detailed understanding of customer/user utilization of network and application resources. This information may then be utilized to efficiently plan and allocate access, backbone and application resources as well as to detect and resolve potential security and policy violations.
Network Planning-NetFlow can be used to capture data over a long period of time producing the opportunity to track and anticipate network growth and plan upgrades to increase the number of routing devices, ports, or higher- bandwidth interfaces. NetFlow services data optimizes network planning including peering, backbone upgrade planning, and routing policy planning. NetFlow helps to minimize the total cost of network operations while maximizing network performance, capacity, and reliability. NetFlow detects unwanted WAN traffic, validates bandwidth and Quality of Service (QOS) and allows the analysis of new network applications.
NetFlow will give you valuable information to reduce the cost of operating your network.
Security Analysis-NetFlow identifies and classifies DDOS attacks, viruses and worms in real-time. Changes in network behavior indicate anomalies that are clearly demonstrated in NetFlow data. The data is also a valuable forensic tool to understand and replay the history of security incidents.
Accounting/Billing-NetFlow data provides fine-grained metering (e.g. flow data includes details such as IP addresses, packet and byte counts, timestamps, type-of-service and application ports, etc.) for highly flexible and detailed resource utilization accounting. Service providers may utilize the information for billing based on time-of-day, bandwidth usage, application usage, quality of service, etc. Enterprise customers may utilize the information for departmental charge-back or cost allocation for resource utilization.
NetFlow Data Warehousing and Data Mining-NetFlow data (or derived information) can be warehoused for later retrieval and analysis in support of proactive marketing and customerservice programs (e.g. figure out which applications and services are being utilized by internal and external users and target them for improved service, advertising, etc.). In addition, NetFlow data gives Market Researchers access to the "who", "what", "where", and "how long" information relevant to enterprises and service providers.
NEW QUESTION 44
Refer to the exhibit.
How will the router handle a packet destined for 192.0.2.156?
- A. The router will forward the packet via either Serial0 or Serial1.
- B. The router will drop the packet.
- C. The router will forward the packet via Serial2.
- D. The router will return the packet to its source.
Answer: C
Explanation:
Router has pointed default router to 192.168.4.1 and this subnet is connected via serial 2 interface. Router does not have router for the 192.0.2.156. so it will use the default gateway
192.168.4.1. A default route identifies the gateway IP address to which the router sends all IP packets for which it does not have a learned or static route.
NEW QUESTION 45
Which term describes a spanning-tree network that has all switch ports in either the blocking or fowarding state?
- A. redundant
- B. provisioned
- C. converged
- D. spanned
Answer: C
NEW QUESTION 46
DRAG DROP
Answer:
Explanation:
NEW QUESTION 47
What occurs on a Frame Relay network when the CIR is exceeded?
- A. All traffic exceeding the CIR is marked discard eligible.
- B. All TCP traffic is marked discard eligible and a BECN is sent.
- C. All UDP traffic is marked discard eligible and a BECN is sent.
- D. All TCP traffic is marked discard eligible.
Answer: A
NEW QUESTION 48
The output of the show frame-relay pvc command shows "PVC STATUS = INACTIVE". What does this mean?
- A. The PVC is configured correctly, is operating normally, and is no longer actively seeking the address of the remote router.
- B. The PVC is configured correctly, is operating normally, and is waiting for interesting traffic to trigger a call to the remote router.
- C. The PVC is not configured on the local switch.
- D. The PVC is configured correctly on the local switch, but there is a problem on the remote end of the PVC.
- E. The PVC is configured correctly and is operating normally, but no data packets have been detected for more than five minutes.
Answer: D
Explanation:
The PVC STATUS displays the status of the PVC. The DCE device creates and sends the report to the DTE devices. There are 4 statuses: ACTIVE: the PVC is operational and can transmit dataINACTIVE: the connection from the local router to the switch is working, but the connection to the remote router is not availableDELETED: the PVC is not present and no LMI information is being received from the Frame Relay switch STATIC: the Local Management Interface (LMI) mechanism on the interface is disabled (by using the "no keepalive" command). This status is rarely seen.
NEW QUESTION 49
A network administrator is troubleshooting an EIGRP problem on a router and needs to confirm the IP addresses of the devices with which the router has established adjacency. The retransmit interval and the queue counts for the adjacent routers also need to be checked. What command will display the required information?
- A. Router# show ip eigrp adjacency
- B. Router# show ip eigrp topology
- C. Router#show ip eigrp neighbors
- D. Router#show ip eigrp interfaces
Answer: C
Explanation:
Implementing EIGRP http://www.ciscopress.com/articles/article.asp?p=1171169&seqNum=3 Below is an example of the show ip eigrp neighbors command. The retransmit interval (Smooth Round Trip Timer - SRTT) and the queue counts (Q count, which shows the number of queued EIGRP packets) for the adjacent routers are listed: R1#show ip eigrp neighbors IP-EIGRP neighbors for process 1 H Address Interface Hold Uptime SRTT RTO Q Seq (sec) (ms) Cnt Num
0 10.10.10.2 Fa0/0 12 00:00:39 1282 5000 0 3
NEW QUESTION 50
When a router undergoes the exchange protocol within OSPF, in what order does it pass through each state?
- A. exstart state > exchange state > loading state > full state
- B. exstart state > full state > loading state > exchange state
- C. exstart state > loading state > exchange state > full state
- D. loading state > exchange state > full state > exstart state
Answer: A
Explanation:
Why Are OSPF Neighbors Stuck in Exstart/Exchange State? Reference:
http://www.cisco.com/en/US/tech/tk365/technologies_tech_note09186a0080093f0d.shtml
NEW QUESTION 51
A beauty brand notices an increase in consumer demand for organic beauty products and wants to increase sales with its current budget. Its media spend is across four media channels with equal budget allocation. The company buys two target audiences. One audience is a demographic target audience, ages 25-35. The other audience is a behavioral target audience of people who have expressed interest in organic beauty products. This beauty brand gives credit for a conversion when one of these high-intent consumers is served an ad and clicks the ad.
The analyst recommends shifting the total budget to the demographic target audience. What is a possible reason for this recommendation?
- A. Higher overall reach
- B. Lower cost per additional conversion
- C. Lower proportion of this audience clicks on the ads
- D. Lower cost per click
Answer: B
NEW QUESTION 52
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