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Q41.  - (Topic 8)

If three devices are plugged into one port on a switch and two devices are plugged into a different port, how many collision domains are on the switch?

A. 2

B. 4

C. 5

D. 6

Answer: C


Q42.  - (Topic 8)

Which DTP switch port mode allows the port to create a trunk link if the neighboring port is in trunk mode, dynamic desirable mode, or desirable auto mode?

A. trunk

B. access

C. dynamic desirable

D. dynamic auto

Answer: C


Q43.  - (Topic 5)

What are three benefits of GLBP? (Choose three.)

A. GLBP supports up to eight virtual forwarders per GLBP group.

B. GLBP supports clear text and MD5 password authentication between GLBP group members.

C. GLBP is an open source standardized protocol that can be used with multiple vendors.

D. GLBP supports up to 1024 virtual routers.

E. GLBP can load share traffic across a maximum of four routers.

F. GLBP elects two AVGs and two standby AVGs for redundancy.

Answer: B,D,E


Q44. CORRECT TEXT - (Topic 7)

CCNA.com has a small network that is using EIGRP as its IGP. All routers should be running an EIGRP AS number of 12. Router MGT is also running static routing to the ISP.

CCNA.com has recently added the ENG router. Currently, the ENG router does not have connectivity to the ISP router. All over interconnectivity and Internet access for the existing locations of the company are working properly.

The task is to identify the fault(s) and correct the router configuration(s) to provide full connectivity between the routers.

Access to the router CLI can be gained by clicking on the appropriate host.

All passwords on all routers are cisco.

IP addresses are listed in the chart below.

MGT

Fa0/0 – 192.168.77.33

S1/0 – 198.0.18.6

S0/0 – 192.168.27.9

S0/1 – 192.168.50.21

ENG

Fa0/0 – 192.168.77.34

Fa1/0 – 192.168.12.17

Fa0/1 – 192.168.12.1

Parts1

Fa0/0 – 192.168.12.33

Fa0/1 – 192.168.12.49

S0/0 – 192.168.27.10

Parts2

Fa0/0 – 192.168.12.65

Fa0/1 – 192.168.12.81

S0/1 – 192.168.50.22

Answer: 

On the MGT Router: Config t

Router eigrp 12

Network 192.168.77.0


Q45. CORRECT TEXT - (Topic 4)

A corporation wants to add security to its network. The requirements are:

✑ Host B should be able to use a web browser (HTTP) to access the Finance Web Server.

✑ Other types of access from host B to the Finance Web Server should be blocked.

✑ All access from hosts in the Core or local LAN to the Finance Web Server should be blocked.

✑ All hosts in the Core and on local LAN should be able to access the Public Web Server.

You have been tasked to create and apply a numbered access list to a single outbound interface. This access list can contain no more than three statements that meet these requirements.

Access to the router CLI can be gained by clicking on the appropriate host.

✑ All passwords have been temporarily set to “cisco”.

✑ The Core connection uses an IP address of 198.18.132.65.

✑ The computers in the Hosts LAN have been assigned addresses of 192.168.201.1

– 192.168.201.254.

✑ host A 192.168.201.1

✑ host B 192.168.201.2

✑ host C 192.168.201.3

✑ host D 192.168.201.4

✑ The Finance Web Server has been assigned an address of 172.22.237.17.

✑ The Public Web Server in the Server LAN has been assigned an address of 172.22.237.18.

Answer: 

Please check the below explanation for all details.

Explanation:

We should create an access-list and apply it to the interface that is connected to the Server LAN because it can filter out traffic from both S2 and Core networks. To see which interface this is, use the “show ip interface brief” command:

Macintosh HD:Users:danielkeller:Desktop:Screen Shot 2015-11-17 at 3.24.34 PM.png From this, we know that the servers are located on the fa0/1 interface, so we will place our numbered access list here in the outbound direction.

Corp1#configure terminal

Our access-list needs to allow host B – 192.168125.2 to the Finance Web Server 172.22.109.17 via HTTP (port 80), so our first line is this:

Corp1(config)#access-list 100 permit tcp host 192.168.125.2 host 172.22.109.17 eq 80

Then, our next two instructions are these:

✑ Other types of access from host B to the Finance Web Server should be blocked.

✑ All access from hosts in the Core or local LAN to the Finance Web Server should be blocked.

This can be accomplished with one command (which we need to do as our ACL needs to be no more than 3 lines long), blocking all other access to the finance web server: Corp1(config)#access-list 100 deny ip any host 172.22.109.17

Our last instruction is to allow all hosts in the Core and on the local LAN access to the Public Web Server (172.22.109.18)

Corp1(config)#access-list 100 permit ip host 172.22.109.18 any Finally, apply this access-list to Fa0/1 interface (outbound direction) Corp1(config)#interface fa0/1

Corp1(config-if)#ip access-group 100 out

Notice: We have to apply the access-list to Fa0/1 interface (not Fa0/0 interface) so that the access-list can filter traffic coming from both the LAN and the Core networks.

To verify, just click on host B to open its web browser. In the address box type

http://172.22.109.17 to check if you are allowed to access Finance Web Server or not. If

your configuration is correct then you can access it.

Click on other hosts (A, C and D) and check to make sure you can’t access Finance Web Server from these hosts. Then, repeat to make sure they can reach the public server at 172.22.109.18. Finally, save the configuration

Corp1(config-if)#end

Corp1#copy running-config startup-config


Q46.  - (Topic 8)

when you troubleshoot an IPv4 connectivity issue on a router, which three router configuration checks you must perform?

A. Verify that the router interface IP address IP address is correct.

B. Verify that the DNS is configured correctly.

C. Verify that the router and the host use the same subnet mask.

D. Verify that the router firmware is up-to-date.

E. Verify that a default route is configured.

F. Verify that the route appears in the routing table

Answer: A,B,F


Q47.  - (Topic 3)

If IP routing is enabled, which two commands set the gateway of last resort to the default gateway? (Choose two.)

A. ip default-gateway 0.0.0.0

B. ip route 172.16.2.1 0.0.0.0 0.0.0.0

C. ip default-network 0.0.0.0

D. ip default-route 0.0.0.0 0.0.0.0 172.16.2.1

E. ip route 0.0.0.0 0.0.0.0 172.16.2.1

Answer: C,E

Explanation:

Both the “ip default-network” and “ip route 0.0.0.0 0.0.0.0 (next hop)” commands can be used to set the default gateway in a Cisco router.


Q48.  - (Topic 8)

Which two security appliances will you use in a network? (Choose two.)

A. ATM

B. IDS

C. IOS

D. IOX

E. IPS

F. SDM

Answer: B,E


Q49.  - (Topic 5)

Refer to the exhibit.

Which subnet mask will place all hosts on Network B in the same subnet with the least amount of wasted addresses?

A. 255.255.255.0

B. 255.255.254.0

C. 255.255.252.0

D. 255.255.248.0

Answer: B

Explanation:

310 hosts < 512 = 29 -> We need a subnet mask of 9 bits 0 -> 1111 1111.1111 1111.1111

1110.0000 0000 -> 255.255.254.0


Q50.  - (Topic 8)

Which action can change the order of entries in a named access list?

A. opening the access list in Notepad.

B. resequercing

C. removing an entry

D. adding an entry

Answer: B


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