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NEW QUESTION # 44
Which commands are required to properly configure a router to run OSPF and to add network 192.168.16.0/24 to OSPF area 0? (Choose two.)
- A. Router(config)# router ospf 1
- B. Router(config-router)# network 192.168.16.0 0.0.0.255 0
- C. Router(config)# router ospf area 0
- D. Router(config)# router ospf 0
- E. Router(config-router)# network 192.168.16.0 255.255.255.0 area 0
- F. Router(config-router)# network 192.168.16.0 0.0.0.255 area 0
Answer: A,F
Explanation:
Explanation In the router ospf command, the ranges from 1 to 65535 so o is an invalid number -> but To configure OSPF, we need a wildcard in the "network" statement, not a subnet mask. We also need to assgin an area to this process -> .
NEW QUESTION # 45
A business wants to reply privately to a customer's message.
Which two solutions can the business use? (Choose 2)
- A. Ads Manager
- B. Facebook Page Inbox
- C. Business Suite
- D. Audience Network
Answer: A,B
NEW QUESTION # 46
A sporting goods brand needs to create a Custom Audience based on website visitors to retarget in a future campaign. The brand needs a large enough target audience to retarget effectively.
Which objective should the brand use for their current campaign?
- A. Conversions
- B. Traffic
- C. Engagement
- D. Leads
Answer: B
NEW QUESTION # 47
On a Cisco switch, which protocol determines if an attached VoIP phone is from Cisco or from another vendor?
- A. CDP
- B. RTP
- C. UDP
- D. TCP
Answer: A
Explanation:
The Cisco Unified IP Phone uses CDP to communicate information such as auxiliary VLAN ID, per port power management details, and Quality of Service (QoS) configuration information with the Cisco Catalyst switch.
NEW QUESTION # 48
The network manager has requested a 300-workstation expansion of the network. The workstations are to be installed in a single broadcast domain, but each workstation must have its own collision domain. The expansion is to be as cost-effective as possible while still meeting the requirements.
Which three items will adequately fulfill the request? (Choose three).
- A. seven 48-port hubs
- B. seven router interfaces
- C. seven 48-port switches
- D. one IP subnet with a mask of 255.255.254.0
- E. one router interface
- F. two IP subnets with a mask of 255.255.255.0
Answer: C,D,E
Explanation:
of 255.255.254.0 can absorb 510 hosts being 23 bits mask and also 7*48 port switches can handle this much hosts and router interface is required to be minimum to avoid unnecessary wastage hence the answers.
NEW QUESTION # 49
A business recently started delivering a new campaign that contains multiple ad sets. The total budget is spirt equally between all the ad sets. The business notices that only one ad set is able to achieve sufficient reach while the others are neither consuming its entire budget nor achieving sufficient reach What could be causing this?
- A. Automatic placements
- B. Large budget
- C. High overlap in audiences
- D. Low overlaps in audiences
Answer: A
NEW QUESTION # 50 
Select three options which are security issues with the current configuration of SwitchA. (Choose three.)
- A. inappropriate wording in banner message
- B. both the username and password are weak
- C. cisco user will be granted privilege level 15 by default
- D. virtual terminal lines are protected only by a password requirement
- E. privilege mode is protected with an unencrypted password
- F. telnet connections can be used to remotely manage the switch
Answer: A,B,E
Explanation:
(this answer can be done by simulation only, don't know user name password and banner message etc)
NEW QUESTION # 51
If an Ethernet port on a router was assigned an IP address of 172.16.112.1/20, what is the maximum number of hosts allowed on this subnet?
- A. 0
- B. 1
- C. 2
- D. 3
- E. 4
Answer: D
Explanation:
Explanation/Reference: Each octet represents eight bits. The bits, in turn, represent (from left to right): 128, 64, 32 , 16 , 8, 4, 2, 1 Add them up and you get 255. Add one for the all zeros option, and the total is 256. Now take away one of these for the network address (all zeros) and another for the broadcast address (all ones). Each octet represents 254 possible hosts. Or 254 possible networks. Unless you have subnet zero set on your network gear, in which case you could conceivably have 255. The CIDR addressing format (/20) tells us that 20 bits are used for the network portion, so the maximum number of networks are 2^20 minus one if you have subnet zero enabled, or
minus 2 if not.
You asked about the number of hosts. That will be 32 minus the number of network bits,
minus two. So calculate it as (2^(32-20))-2, or (2^12)-2 = 4094
NEW QUESTION # 52
A business recently delivered an ad campaign with the Brand Awareness objective on the Facebook App Which metric within Ads Manager will help the business determine the success of the campaign?
- A. Estimated Ad Recall Lift Rate
- B. Amount spent
- C. Reach
- D. Cost per click
Answer: C
NEW QUESTION # 53
Refer to the exhibit.
When running OSPF, what would cause router A not to form an adjacency with router B?
- A. The process identifier on router A is different than the process identifier on router B.
- B. The values of the dead timers on the routers are different.
- C. The loopback addresses are on different subnets.
- D. Route summarization is enabled on both routers.
Answer: B
Explanation:
Explanation To form an adjacency (become neighbor), router A & B must have the same Hello interval, Dead interval and AREA numbers
NEW QUESTION # 54
What command sequence will configure a router to run OSPF and add network 10.1.1.0 /24 to area 0?
- A. router ospf area 0 network 10.1.1.0 0.0.0.255 area 0
- B. router ospf network 10.1.1.0 0.0.0.255
- C. router ospf 1 network 10.1.1.0 0.0.0.255
- D. router ospf area 0 network 10.1.1.0 255.255.255.0 area 0
- E. router ospf 1 network 10.1.1.0 0.0.0.255 area 0
- F. router ospf network 10.1.1.0 255.255.255.0 area 0
Answer: E
NEW QUESTION # 55
Which network device functions only at Layer 1 of the OSI model?
- A. Option C
- B. Option A
- C. Option D
- D. Option B
- E. Option E
Answer: D
Explanation:
Most hubs are amplifying the electrical signal; therefore, they are really repeaters with several ports. Hubs and repeaters are Layer 1 (physical layer) devices.
NEW QUESTION # 56
Which type of budget in Ads Manager lets you control how much money you spend on each ad set?
- A. Lifetime Budget
- B. Campaign budget
- C. Campaign Budget Optimization
- D. Ad Set budget
Answer: D
NEW QUESTION # 57
Refer to the exhibit.
A problem with network connectivity has been observed. It is suspected that the cable connected to switch port
Fa0/9 on Switch1 is disconnected. What would be an effect of this cable being disconnected?
- A. The transfer of files from Host B to the server in VLAN9 would be significantly slower.
- B. For less than a minute, Host B would not be able to access the server in VLAN9. Then normal network function would resume.
- C. Communication between VLAN3 and the other VLANs would be disabled.
- D. Host B would not be able to access the server in VLAN9 until the cable is reconnected.
Answer: B
NEW QUESTION # 58
Refer to the exhibit.
Which two statements are correct? (Choose two.)
- A. The same command needs to be entered on RouterA so that hosts on the 172.16.1.0 network can reach network 10.0.0.0.
- B. This is a default route.
- C. Adding the subnet mask is optional for the ip route command.
- D. This command is incorrect, it needs to specify the interface, such as s0/0/0 rather than an IP address.
- E. This will allow any host on the 172.16.1.0 network to reach all known destinations beyond RouterA.
Answer: B,E
Explanation:
This is obviously the default value for the route which is set between the routers and since it is entered in such a manner that it ensures connectivity between the stub network and any host lying beyond RouterA.
NEW QUESTION # 59
Refer to the exhibit.
A network technician is asked to design a small network with redundancy. The exhibit represents this design, with all hosts configured in the same VLAN. What conclusions can be made about this design?
- A. Spanning-tree will need to be used.
- B. The router interfaces must be encapsulated with the 802.1Q protocol.
- C. The router will not accept the addressing scheme.
- D. The connection between switches should be a trunk.
- E. This design will function as intended.
Answer: C
Explanation:
Explanation/Reference:
The proposed addressing scheme is on the same network.
NEW QUESTION # 60
Which of the following are types of flow control? (Choose three.)
- A. congestion avoidance
- B. cut-through
- C. windowing
- D. buffering
- E. load balancing
Answer: A,C,D
Explanation:
Explanation/Reference: http://www.info-it.net/cisco/ccna/exam-tips/flow-control.php During Transfer of data, a high speed computer is generating data traffic a lot faster than the network device can handle in transferring to destination, so single gateway or destination device cannot handle much amount of traffic that is called "Congestion". Buffering The Technie is used to control the data transfer when we have congestion, when a network device receive a data it stores in memory section and then transfer to next destination this process called "Buffering". Windowing Whereas Windowing is used for flow control by the Transport layer. Say the sender device is sending segments and the receiver device can accommodate only a fixed number of segments before it can accept more, the two devices negotiate the window size during the connection setup. This is done so that the sending device doesn't overflow the receiving device's buffer. Also the receiving device can send a single acknowledgement for the segments it has received instead of sending an acknowledgement after every segment received. Also, this window size is dynamic meaning, the devices can negotiate and change the window size in the middle of a session. So if initially the window size is three and the receiving device thinks that it can accept more number of segments in its buffer it can negotiate with the sending device and it increase it to say 5 for example. Windowing is used only by TCP since UDP doesn't use or allow flow control.
Topic 2, LAN Switching Technologies
NEW QUESTION # 61
Which layer of the OSI model controls the reliability of communications between network devices using flow control, sequencing and acknowledgments?
- A. Network
- B. Physical
- C. Transport
- D. Data-link
Answer: C
NEW QUESTION # 62
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