Best Preparations of 200-101 Exam 2021 Marketing Science Professional Unlimited 60 Questions
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Facebook 200-101 Exam Syllabus Topics:
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NEW QUESTION 23
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 24
Which statement describes VRRP object tracking?
- A. It causes traffic to dynamically move to higher bandwidth links.
- B. It monitors traffic flow and link utilization.
- C. It thwarts man-in-the-middle attacks.
- D. It ensures the best VRRP router is the virtual router master for the group.
Answer: D
NEW QUESTION 25
Which two statements about using the CHAP authentication mechanism in a PPP link are true? (Choose two.)
- A. CHAP uses a two-way handshake.
- B. CHAP uses a three-way handshake.
- C. CHAP authentication passwords are sent in plaintext.
- D. CHAP authentication is performed only upon link establishment.
- E. CHAP has no protection from playback attacks.
- F. CHAP authentication periodically occurs after link establishment.
Answer: B,F
Explanation:
Understanding and Configuring PPP CHAP Authentication http://www.cisco.com/en/US/tech/tk713/tk507/technologies_tech_note09186a00800b4131.shtml
One-Way and Two-Way Authentication CHAP is defined as a one-way authentication method. However, you use CHAP in both directions to create a two-way authentication. Hence, with two-way CHAP, a separate three-way handshake is initiated by each side. In the Cisco CHAP implementation, by default, the called party must authenticate the calling party (unless authentication is completely turned off). Therefore, a one-way authentication initiated by the called party is the minimum possible authentication. However, the calling party can also verify the identity of the called party, and this results in a two-way authentication. One-way authentication is often required when you connect to non-Cisco devices.
NEW QUESTION 26
An analyst is interested on comparing two audiences: men, ages 25-34 and men, ages 35-44. The brand wants to know if the older male customers spend more money on average than the younger male customers. The analyst collected random samples of 250 older customers and 220 younger customers and analyzed their shopping baskets. On average, younger men spend $102.23, and older men spend $86.46. Additional statistics are shown below.
Which conclusion should the analyst make based on this data?
- A. Using a 90% level of confidence, there is insufficient evidence for the analyst to conclude that there is any difference between younger and older customers.
- B. Using a 90% level of confidence, there is sufficient evidence for the analyst to conclude that younger customers on average spend more than older male customers.
- C. Using a 10% level of confidence, there is insufficient evidence for the analyst to conclude that there is any difference between younger and older customers.
- D. Using a 10% level of confidence, there is sufficient evidence for the analyst to conclude that younger customers on average spend more than older male customers.
Answer: A
NEW QUESTION 27
A large gaming company is developing a measurement strategy designed to shift its planning and buying on Facebook. The company believes that its ability to iterate on testing will provide more long-term growth than the short-term sales boosts from individual campaigns. The conversion rate is high enough that they should have NO issues with statistical power at any size of test/holdout groups. It is planning on running multi-cell Conversion Lift tests on a monthly basis.
What test/holdout proportions should the company use for each test cell?
- A. 10% Test, 90% Holdout
- B. 60% Test, 40% Holdout
- C. 50% Test, 50% Holdout
- D. 90% Test, 10% Holdout
Answer: D
NEW QUESTION 28
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. Try to reach a broacer audience
- B. Try to diversify the campaign objectives
- C. Allocate more budget to the Lead Generation objective
- D. Increase the total budget
Answer: D
NEW QUESTION 29
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. The cable that is connected to S0/0 on RouterA is faulty.
- B. The IP address that is configured on S0/0 of RouterB is not in the correct subnet.
- C. Interface S0/0 on RouterA is configured with an incorrect subnet mask.
- D. Interface S0/0 on RouterA is not receiving a clock signal from the CSU/DSU.
- E. Interface S0/0 on RouterB is administratively down.
- F. The encapsulation that is configured on S0/0 of RouterB does not match the encapsulation that is configured on S0/0 of RouterA.
Answer: D,F
Explanation:
http://www.cisco.com/en/US/docs/routers/access/800/819/software/configuration/Guide/6ser_conf. html
NEW QUESTION 30
DRAG DROP
Answer:
Explanation:
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).
Topic 3, IP Services
NEW QUESTION 31
Which two are advantages of static routing when compared to dynamic routing? (Choose two.)
- A. An efficient algorithm is used to build routing tables, using automatic updates.
- B. Routing tables adapt automatically to topology changes.
- C. Routing updates are automatically sent to neighbors.
- D. Security increases because only the network administrator may change the routing table.
- E. Route summarization is computed automatically by the router.
- F. Configuration complexity decreases as network size increases.
- G. Routing traffic load is reduced when used in stub network links.
Answer: D,G
Explanation:
http://www.ciscopress.com/articles/article.asp?p=24090&seqNum=6
http://www.ciscopress.com/articles/article.asp?p=24090
NEW QUESTION 32
What are three characteristics of the OSPF routing protocol? (Choose three.)
- A. OSPF routers send the complete routing table to all directly attached routers.
- B. It uses the DUAL algorithm to determine the best route.
- C. OSPF routers discover neighbors before exchanging routing information.
- D. OSPF is a classful routing protocol.
- E. It uses cost to determine the best route.
- F. It converges quickly.
Answer: C,E,F
NEW QUESTION 33
It has become necessary to configure an existing serial interface to accept a second Frame Relay virtual circuit. Which of the following are required to solve this? (Choose three)
- A. create the virtual interfaces with the interface command
- B. configure static frame relay map entries for each subinterface network.
- C. disable split horizon to prevent routing loops between the subinterface networks
- D. configure each subinterface with its own IP address
- E. remove the ip address from the physical interface
- F. encapsulate the physical interface with multipoint PPP
Answer: A,D,E
Explanation:
How To Configure Frame Relay Subinterfaces http://www.orbit-computer-solutions.com/How-To-Configure-Frame-Relay-Subinterfaces.php
Step to configure Frame Relay subinterfaces on a physical interface:
1.Remove any network layer address (IP) assigned to the physical interface. If the physical interface has an address, frames are not received by the local subinterfaces.
2.Configure Frame Relay encapsulation on the physical interface using the encapsulation frame-relay command.
3.For each of the defined PVCs, create a logical subinterface. Specify the port number, followed by a period (.) and the subinterface number. To make troubleshooting easier, it is suggested that the subinterface number matches the DLCI number.
4.Configure an IP address for the interface and set the bandwidth.
5.Configure the local DLCI on the subinterface using the frame-relay interface-dlci command. Configuration Example: R1>enable R1#configure terminal R1(config)#interface serial 0/0/0 R1(config-if)#no ip address R1(config-if)#encapsulation frame-relay R1(config-if)#no shutdown R1(config-if)#exit R1(config-subif)#interface serial 0/0/0.102 point-to-point R1(config-subif)#ip address 192.168.1.245 255.255.255.252 R1(config-subif)#frame-relay interface-dlci 102 R1(config-subif)#end R1#copy running-config startup-config
NEW QUESTION 34
DRAG DROP
Answer:
Explanation:
NEW QUESTION 35
Refer to the exhibit.
Which statement describes DLCI 17?
- A. DLCI 17 describes a PVC on R2. It cannot be used on R3 or R1.
- B. DLCI 17 describes the ISDN circuit between R2 and R3.
- C. DLCI 17 describes the dial-up circuit from R2 and R3 to the service provider.
- D. DLCI 17 is the Layer 2 address used by R2 to describe a PVC to R3.
Answer: D
Explanation:
DLCI stands for Data Link Connection Identifier. DLCI values are used on Frame Relay interfaces to distinguish between different virtual circuits. DLCIs have local significance because, the identifier references the point between the local router and the local Frame Relay switch to which the DLCI is connected.
NEW QUESTION 36
What is the purpose of Inverse ARP?
- A. to map a known DLCI to an IP address
- B. to map a known SPID to a MAC address
- C. to map a known DLCI to a MAC address
- D. to map a known MAC address to an IP address
- E. to map a known IP address to a MAC address
- F. to map a known IP address to a SPID
Answer: A
Explanation:
http://www.ciscopress.com/articles/article.asp?p=170741&seqNum=4
Frame-Relay (a Layer 2 protocol) uses Inverse-Arp to map a know Layer 2 Address (DLCI) to a unknow Layer 3 Address. Dynamic Mapping Dynamic address mapping relies on the Frame Relay Inverse Address Resolution Protocol (Inverse ARP), defined by RFC 1293, to resolve a next hop network protocol address to a local DLCI value. The Frame Relay router sends out Inverse ARP requests on its Frame Relay PVC to discover the protocol address of the remote device connected to the Frame Relay network. The responses to the Inverse ARP requests are used to populate an address-to-DLCI mapping table on the Frame Relay router or access server. The router builds and maintains this address-toDLCImapping table, which contains all resolved Inverse ARP requests, including both dynamic and static mapping entries. When data needs to be transmitted to a remote destination address, the router performs a lookup on its routing table to determine whether a route to that destination address exists and the next hop address or directly connected interface to use in order to reach that destination. Subsequently, the router consults its address-to-DLCI mapping table for the local DLCI that corresponds to the next hop address. Finally, the router places the frames targeted to the remote destination on its identified outgoing local DLCI. On Cisco routers, dynamic Inverse ARP is enabled by default for all network layer protocols enabled on the physical interface. Packets are not sent out for network layer protocols that are not enabled on the physical interface. For example, no dynamic Inverse ARP resolution is performed for IPX if ipx routing is not enabled globally and there is no active IPX address assigned to the interface. Because dynamic Inverse ARP is enabled by default, no additional Cisco IOS command is required to enable it on an interface. Example 4-16 shows the output of the show frame-relay map privileged EXEC mode command. The addressto-DLCI mapping table displays useful information. The output of the command shows that the next hop address 172.16.1.2 is dynamically mapped to the local DLCI 102, broadcast is enabled on the interface, and the interface's status is currently active.
NOTE After enabling Frame Relay on the interface, the Cisco router does not perform Inverse ARP until IP routing is enabled on the router. By default, IP routing is enabled on a Cisco router. If IP routing has been turned off, enable IP routing with the ip routing command in the global configuration mode. After IP routing is enabled, the router performs Inverse ARP and begins populating the address-to-DLCI mapping table with resolved entries.
NEW QUESTION 37
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-2
- B. Corp-1
- C. Corp-4
- D. Branch-1
- E. Corp-3
- F. Branch-2
Answer: C,F
Explanation:
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.
NEW QUESTION 38
What are two characteristics of Frame Relay point-to-point subinterfaces? (Choose two.)
- A. They require the use of NBMA options when using OSPF.
- B. They require a unique subnet within a routing domain.
- C. They create split-horizon issues.
- D. They are ideal for full-mesh topologies.
- E. They emulate leased lines.
Answer: B,E
NEW QUESTION 39
Refer to the exhibit.
What information about the interfaces on the Main_Campus router is true?
- A. Interface FastEthernet 0/0 is configured as a trunk.
- B. The Layer 2 protocol of interface Serial 0/1 is NOT operational.
- C. Interface FastEthernet 0/0 is administratively deactivated.
- D. The router is a modular router with five FastEthernet interfaces.
- E. The LAN interfaces are configured on different subnets.
Answer: A
Explanation:
Interface fa0/0 breaks into sub-interfaces and Main_Campus router is connected with switch via fa0/0 .Subinterfaces configured with different subnet mask so the seem switch has multiple vlans and allows communication between these VLAN's. For routing and inter-vlan we need to configure a trunk port. So B will be the correct answer.
NEW QUESTION 40
What does the frame-relay interface-dlci command configure?
- A. remote DLCI on the main interface
- B. local DLCI on the main interface
- C. remote DCLI on the subinterface
- D. local DLCI on the subinterface
Answer: D
NEW QUESTION 41
Refer to the exhibit.
Which two statements are true about the loopback address that is configured on RouterB? (Choose two.)
- A. It indicates that RouterB should be elected the DR for the LAN.
- B. It decreases the metric for routes that are advertised from RouterB.
- C. It provides stability for the OSPF process on Router
- D. It ensures that data will be forwarded by RouterB.
- E. It specifies that the router ID for RouterB should be 10.0.0.1.
Answer: C,E
NEW QUESTION 42
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 43
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
Explanation:
These four parameters are examined in order to make root bridge , root port ,
designated port. Other switch has lowest Sending Bridge ID or Sending Port ID so vlan 2 is not the
root port.
1. A lower Root Bridge ID2. A lower path cost to the Root3. A lower Sending Bridge ID4. A lower Sending Port ID
NEW QUESTION 44
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?
- A. in DF packets 0
- B. DLCI=100
- C. in FECN packets 147
- D. in BECN packets 192
- E. last time PVC status changed 00:25:40
Answer: D
Explanation:
First we should grasp the concept of BECN & FECN through an example:
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.
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 45
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