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完全版200-101練習テスト60別格な問題と解釈が待ってます。今すぐゲット！
質問 18
At which layer of the OSI model does PPP perform?
- A. Layer 3
- B. Layer 4
- C. Layer 5
- D. Layer 2
正解: D
解説:
Point-to-Point Protocol (PPP) is adata linkprotocolcommonly used in establishing a direct connection between twonetworking nodes. It can provide connectionauthentication, transmissionencryption(usingECP,RFC 1968), andcompression.
質問 19
A financial services brand is launching a new tagline. The primary goal is to drive cost-efficient leads. The brand also wants to prove that its audience is able to associate the new tagline back to the brand. The brand uses both the Brand Awareness and Lead Generation campaign objectives.
A multi-cell test was launched to measure how effectively its campaigns increased message association and drove leads. Eighty percent of the budget that was measured during the time period was allocated toward the Brand Awareness objective. The results estimated a significant lift in message association but flat results on leads.
Which action should the brand take to meet its primary goal?
- A. Increase the total budget
- B. Try to diversify the campaign objectives
- C. Allocate more budget to the Lead Generation objective
- D. Try to reach a broacer audience
正解: A
質問 20
Refer to the exhibit.
A packet with a source IP address of 192.168.2.4 and a destination IP address of 10.1.1.4 arrives at the AcmeB router. What action does the router take?
- A. forwards the received packet out the Serial0/0 interface
- B. forwards a packet containing an ARP request out the FastEthemet0/1 interface
- C. forwards a packet containing an ICMP message out the FastEthemet0/0 interface
- D. forwards a packet containing an EIGRP advertisement out the Serial0/1 interface
正解: C
解説:
CCNA - EIGRP Common Question http://www.orbitco-ccna-pastquestions.com/CCNA---EIGRP-Common-Question.php
Looking at the output above, there is no IP route for 10.1.1.4 address on AcmeB routing table. If the router can no find a specific path in its routing table to a particular route,( In this case no path is found so AcmeB) the router will inform the source host with an ICMP message that the destination is unreachable and this will be through the same interface it has received the packet (interface Fa0/0 network 192.168.3.0/28 from the exhibit).
質問 21
Which statement describes an EIGRP feasible successor route?
- A. Abackup route, added to the routing table
- B. Aprimary route, added to the routing table
- C. Aprimary route, added to the topology table
- D. Abackup route, added to the topology table
正解: D
質問 22
What is a valid HSRP virtual MAC address?
- A. 0000.5E00.01A3
- B. 0007.B400.AE01
- C. 0000.0C07.AC15
- D. 0007.5E00.B301
正解: C
解説:
Hot Standby Router Protocol Features and Functionality http://www.cisco.com/en/US/tech/tk648/tk362/technologies_tech_note09186a0080094a91.shtml
HSRP Addressing In most cases when you configure routers to be part of an HSRP group, they listen for the HSRP MAC address for that group as well as their own burned-in MAC address. The exception is routers whose Ethernet controllers only recognize a single MAC address (for example, the Lance controller on the Cisco 2500 and Cisco 4500 routers). These routers use the HSRP MAC address when they are the Active router, and their burned-in address when they are not. HSRP uses the following MAC address on all media except Token Ring: 0000.0c07.ac** (where ** is the HSRP group number)
質問 23
What does a router do if it has no EIGRP feasible successor route to a destination network and the successor route to that destination network is in active status?
- A. It routes all traffic that is addressed to the destination network to the interface indicated in the routing table.
- B. It sends a copy of its neighbor table to all adjacent routers.
- C. It broadcasts Hello packets to all routers in the network to re-establish neighbor adjacencies.
- D. It sends a multicast query packet to all adjacent neighbors requesting available routing paths to the destination network.
正解: D
質問 24
Refer to the exhibit.
Why has this switch not been elected the root bridge for VLAN1?
- A. It has a higher MAC address than the elected root bridge.
- B. It is running RSTP while the elected root bridge is running 802.1d spanning tree.
- C. It has more than one interface that is connected to the root network segment.
- D. It has a higher bridge ID than the elected root bridge.
正解: D
質問 25
A brand needs to measure how frequency affects conversions and ROI. Currently the brand runs a campaign on 2x frequency for seven days. How should the brand set up a test to understand how frequency affects incremental conversions?
- A. A Conversion Lift with 4x frequency for seven days
- B. A Conversion Lift test with a 2x frequency for seven days
- C. A multi-cell Conversion Lift test: Cell 1 with a 2x frequency for seven days, Cell 2 with 4x frequency for seven days
- D. A multi-cell A/B test: Cell 1 with a 2x frequency for seven days, Cell 2 with 4x frequency for seven days
正解: D
質問 26
Refer to the exhibit.
What commands must be configured on the 2950 switch and the router to allow communication between host 1 and host 2? (Choose two.)
- A. Switch1(config)# interface vlan 1 Switch1(config-if)# ip default-gateway 192.168.1.1
- B. Switch1(config)# vlan database Switch1(config-vlan)# vtp domain XYZ Switch1(config-vlan)# vtp server
- C. Router(config)# interface fastethernet 0/0 Router(config-if)# ip address 192.168.1.1 255.255.255.0 Router(config-if)# no shut down
- D. Router(config)# router eigrp 100 Router(config-router)# network 192.168.10.0 Router(config-router)# network 192.168.20.0
- E. Switch1(config)# interface fastethernet 0/1 Switch1(config-if)# switchport mode trunk
- F. Router(config)# interface fastethernet 0/0 Router(config-if)# no shut down Router(config)# interface fastethernet 0/0.1 Router(config-subif)# encapsulation dot1q 10 Router(config-subif)# ip address 192.168.10.1 255.255.255.0 Router(config)# interface fastethernet 0/0.2 Router(config-subif)# encapsulation dot1q 20 Router(config-subif)# ip address 192.168.20.1 255.255.255.0
正解: E,F
質問 27
DRAG DROP
正解:
解説:
質問 28
Refer to the exhibit.
The network is converged. After link-state advertisements are received from Router_A, what information will Router_E contain in its routing table for the subnets 208.149.23.64 and 208.149.23.96?
- A. O 208.149.23.64 [110/1] via 190.172.23.10, 00:00:07, Serial 1/0 O 208.149.23.96 [110/3] via 190.173.23.10, 00:00:16, FastEthernet 0/0
- B. O 208.149.23.64 [110/13] via 190.173.23.10, 00:00:07, FastEthernet 0/0 O 208.149.23.96 [110/13] via 190.173.23.10, 00:00:16, FastEthernet 0/0
- C. O 208.149.23.64 [110/3] via 190.172.23.10, 00:00:07, Serial 1/0 O 208.149.23.96 [110/3] via 190.172.23.10, 00:00:16, Serial 1/0
- D. O 208.149.23.64 [110/13] via 190.172.23.10, 00:00:07, Serial 1/0 O 208.149.23.96 [110/13] via 190.172.23.10, 00:00:16, Serial 1/0 O 208.149.23.96 [110/13] via 190.173.23.10, 00:00:16, FastEthernet 0/0
正解: B
質問 29
An analyst for a primarily brick-and-mortar retailer is reviewing measurement results from the last half for all marketing. The media plan was 50% TV spend, with some Facebook (10%), search (10%), print (10%), and radio (20%).
No solution provides the same numbers for a single point in time. The analyst needs to recommend how to allocate budget across channels to maximize sales for the next business quarter.
Which measurement solution should be the primary source of the analyst's recommendation?
- A. Marketing mix model
- B. Nielsen Total Ads Ratings
- C. Multi-cell Conversion Lift
- D. Multi-touch attribution
正解: A
質問 30
Which command enables IPv6 forwarding on a Cisco router?
- A. ipv6 neighbor
- B. ipv6 host
- C. ipv6 unicast-routing
- D. ipv6 local
正解: C
解説:
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.
質問 31
Refer to the exhibit.
Hosts in network 192.168.2.0 are unable to reach hosts in network 192.168.3.0. Based on the output from RouterA, what are two possible reasons for the failure? (Choose two.)
- A. Interface S0/0 on RouterA is not receiving a clock signal from the CSU/DSU.
- B. Interface S0/0 on RouterA is configured with an incorrect subnet mask.
- C. The encapsulation that is configured on S0/0 of RouterB does not match the encapsulation that is configured on S0/0 of RouterA.
- D. The cable that is connected to S0/0 on RouterA is faulty.
- E. The IP address that is configured on S0/0 of RouterB is not in the correct subnet.
- F. Interface S0/0 on RouterB is administratively down.
正解: A,C
質問 32
A brand that has traditionally focused on TV campaigns has recently started advertising on digital channels like Facebook and YouTube. The brand manager has advised the company to invest in developing mobile-optimized creative and that its TV ads are too long to perform well online.
A post-campaign analysis was run to assess the relationship between complete video views and video duration in order to make the case that videos with shorter duration tend to achieve a greater number of complete views.
This scatter plot demonstrates the findings of the analysis.
How many of these data points are likely to skew the findings of this analysis?
- A. 0
- B. 1
- C. 2
- D. 3
正解: A
質問 33
Which two statements describe the process identifier that is used in the command to configure OSPF on a router? (Choose two.)
Router(config)# router ospf 1
- A. Only one process number can be used on the same router.
- B. Hello packets are sent to each neighbor to determine the processor identifier.
- C. The process number can be any number from 1 to 65,535.
- D. All OSPF routers in an area must have the same process ID.
- E. Different process identifiers can be used to run multiple OSPF processes
正解: C,E
質問 34
Which two of these statements regarding RSTP are correct? (Choose two.)
- A. RSTP defines no new port states.
- B. RSTP defines new port roles.
- C. RSTP is compatible with the original IEEE 802.1D STP.
- D. RSTP cannot operate with PVST+.
- E. RSTP is a proprietary implementation of IEEE 802.1D STP.
正解: B,C
解説:
http://www.cisco.com/en/US/tech/tk389/tk621/technologies_white_paper09186a0080094cfa.shtml
Port Roles The role is now a variable assigned to a given port. The root port and designated port roles remain, while the blocking port role is split into the backup and alternate port roles. The Spanning Tree Algorithm (STA) determines the role of a port based on Bridge Protocol Data Units (BPDUs). In order to simplify matters, the thing to remember about a BPDU is there is always a method to compare any two of them and decide whether one is more useful than the other. This is based on the value stored in the BPDU and occasionally on the port on which they are received. This considered, the information in this section explains practical approaches to port roles.
Compatibility with 802.1D RSTP is able to interoperate with legacy STP protocols. However, it is important to note that the inherent fast convergence benefits of 802.1w are lost when it interacts with legacy bridges.
質問 35
Refer to Exhibit:
The internetwork infrastructure of company XYZ consists of a single OSPF area as shown in the graphic. There is concern that a lack of router resources is impeding internetwork performance. As part of examining the router resources, the OSPF DRs need to be known. All the router OSPF priorities are at the default and the router IDs are shown with each router. Which routers are likely to have been elected as DR? (Choose two.)
- A. Corp-1
- B. Corp-2
- C. Branch-2
- D. Corp-4
- E. Branch-1
- F. Corp-3
正解: C,D
解説:
There are 2 segments on the topology above which are separated by Corp-3 router.
Each segment will have a DR so we have 2 DRs.
To select which router will become DR they will compare their router-IDs. The router with highest
(best) router-ID will become DR. The router-ID is chosen in the order below:
The highest IP address assigned to a loopback (logical) interface.
If a loopback interface is not defined, the highest IP address of all active router's physical
interfaces will be chosen.
In this question, the IP addresses of loopback interfaces are not mentioned so we will consider IP
addresses of all active router's physical interfaces. Router Corp-4 (10.1.40.40) & Branch-2
(10.2.20.20) have highest "active" IP addresses so they will become DRs.
質問 36
Refer to the exhibit.
Each of these four switches has been configured with a hostname, as well as being configured to run RSTP. No other configuration changes have been made. Which three of these show the correct RSTP port roles for the indicated switches and interfaces? (Choose three.)
- A. SwitchA, Fa0/1, root
- B. SwitchB, Gi0/2, root
- C. SwitchC, Fa0/2, root
- D. SwitchD, Gi0/2, root
- E. SwitchA, Fa0/2, designated
- F. SwitchB, Gi0/1, designated
正解: A,D,E
質問 37
What are the benefit of using Netflow? (Choose three.)
- A. Network Planning
- B. Accounting/Billing
- C. Network, Application & User Monitoring
- D. Security Analysis
正解: B,C,D
解説:
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.
質問 38
A small retailer wants to measure the impact of its Facebook campaigns on in-store sales. The company operates a store in a local city with most customers within a 10-mile radius.
What measurement solution should it use?
- A. Matched Market Lift
- B. Marketing Mix Modeling
- C. Multi-touch attribution
- D. Conversion Lift
正解: B
質問 39
Which port state is introduced by Rapid-PVST?
- A. learning
- B. discarding
- C. forwarding
- D. listening
正解: B
解説:
Spanning Tree from PVST+ to Rapid-PVST Migration Configuration Example Reference 1: http://www.cisco.com/en/US/products/hw/switches/ps708/products_configuration_example09186a 00807b0670.shtml
Reference 2: http://www.cisco.com/en/US/tech/tk389/tk621/technologies_white_paper09186a0080094cfa.shtml
PVST+ is based on IEEE802.1D Spanning Tree Protocol (STP). But PVST+ has only 3 port states (discarding, learning and forwarding) while STP has 5 port states (blocking, listening, learning, forwarding and disabled). So discarding is a new port state in PVST+.
Background Information
802.1D Spanning Tree Protocol (STP) has a drawback of slow convergence. Cisco Catalyst
switches support three types of STPs, which are PVST+, rapid-PVST+ and MST. PVST+ is based
on IEEE802.1D standard and includes Cisco proprietary extensions such as BackboneFast,
UplinkFast, and PortFast. Rapid-PVST+ is based on IEEE 802.1w standard and has a faster
convergence than 802.1D. RSTP (IEEE 802.1w) natively includes most of the Cisco proprietary
enhancements to the 802.1D Spanning Tree, such as BackboneFast and UplinkFast. Rapid-
PVST+ has these unique features:
Uses Bridge Protocol Data Unit (BPDU) version 2 which is backward compatible with the 802.1D
STP, which uses BPDU version 0.
All the switches generate BPDUs and send out on all the ports every 2 seconds, whereas in
802.1D STP only the root bridge sends the configuration BPDUs.
Port Roles-Root port, designated port, alternate port and backup port.
Port States-Discarding, Learning, and Forwarding.
Port Types-Edge Port (PortFast), Point-to-Point and Shared port.
Rapid-PVST uses RSTP to provide faster convergence. When any RSTP port receives legacy
802.1D BPDU, it falls back to legacy STP and the inherent fast convergence benefits of 802.1w
are lost when it interacts with legacy bridges.
質問 40
......
完全版200-101練習テスト60別格な問題と解釈が待ってます。：https://www.jpntest.com/shiken/200-101-mondaishu