NETW 204 Week 8 Final Exam

NETW 204 Week 8 Final Exam | Quiz | Assignment Help | Devry University 

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WEEK 8: FINAL EXAM

QUIZ INSTRUCTIONS

Welcome to the Final Exam!

• This Final Exam is cumulative and covers Chapters 1–11.

• COs 1–7 are covered on the Final Exam.

• The exam contains 47 questions—40 MC, 1 MA, 1 Matching, and 6 SA questions. The MC are 3 points each for a total of 120 points. The other questions are worth 10 points each for a total of 80 points. The Final Exam is worth 200 points total.

Question 1

(TCO 1) You are required to justify the need to implement a collapsed core network. Which justification below makes sense for a collapsed core network?

o Other options are too expensive

o Cost-effective solution for a smaller environment

o Ability to embed the functionalities of access and distribution into a single layer

o Makes sense to implement in large-scale enterprise networks to be more adaptable

o Ability to effectively implement security policies to meet business needs

Question 2

(TCO 1) Name one advantage of modular switches over fixed-configuration switches.

o Lower forwarding rates

o Need for more power outlets

o Expansion in number of uplink ports

o The use of fewer power outlets

o Less time invested in planning the network

Question 3

(TCO 1) Name one disadvantage of fixed-configuration switches over modular switches.

o Ease of management

o Port security

o Fewer high-speed ports

o Easier to add additional ports

o Increased delay

Question 4

(TCO 1) Name one advantage of the cut-through switching method as opposed to the store-and-forward switching method.

o Currently built into Cisco switches

o May provide faster delivery of frames

o Erroneous frames may pass through

o Ease of implementation

o All of the above

Question 5

(TCO 2) Which of the following is a Cisco proprietary encapsulation protocol?

o DTP

o 802.1Q

o CDP

o ISL

o None of the above

Question 6

(TCO 2) The command to create a VLAN on a Cisco switch is _____.

o S1(config)# vlanvlan-id

o S1(config-if)# ip create vlanvlan-id

o S1(config-vlan)# vlan name create

o S1(config-vlan)#vlan create number

o None of the above

Question 7

(TCO 2) The command used to assign a port on the switch to a vlan other than the default VLAN is _____.

o switch port mode access vlan

o switch port mode vlan

o switch port mode trunk vlan

o switch port access vlan

o None of the above

Question 8

(TCO 2) On a Cisco switch, when one port is configured with trunk port off and the other port on the other switch is configured with trunk port on this is known as a _____ problem.

o trunk mislabeled

o access mode mismatch

o trunk mode mismatch

o port type mismatch

o None of the above

Question 9

(TCO 3) A router is configured with the following commands.

interface f0/2

no shutdown

interface f0/2.10

encapsulation dot1q 10

ip address 192.168.10.62 255.255.255.224

description Customer Services VLAN.

interface f0/2.25

encapsulation dot1q 25

ip address 192.168.25.94 255.255.255.224

description Sales VLAN.

interface f0/2.50

encapsulation dot1q 50

ip address 192.168.50.126 255.255.255.224

description Finance VLAN.

end

After installing the brand new router with the above commands an end user in the customer services VLAN complains that she is unable to access the network. Her computer's IP address is manually set as the following.

IP Address: 192.168.10.1 

Subnet Mask: 255.255.255.224

Default Gateway: 192.168.10.62

What is wrong?

o The computer does not have a DNS entry.

o The computer cannot resolve IP to MAC.

o The computer is on the wrong subnet.

o The computer will have access only to local resources.

o None of the above

Question 10

(TCO 3) A router learns a route from various sources. A network engineer is trying to determine which of the sources the router is using to make routing decisions. What would you tell the engineer?

o Look at the lowest cost path.

o Look at the Administrative Distance.

o Look at the path with the lowest metric cost.

o Answers A and C are always correct.

 None of the above.

Question 11

(TCO 3) A network engineer types the following commands on a production (live) router that is connected to a WAN link from NY to CA.

interface serial 0/3/1

ip address 206.167.54.1 255.255.255.0

description "Connection to CA."

end

The network engineer types show ip interface brief and notices that the interface is in the administratively down state. What can the network engineer do to resolve this problem?

o Enable clocking for the serial interface - clock rate 64000.

o Type no shutdown to fix the problem.

o Type a valid IPv4 address on the interface.

o Make sure the remote router is connected.

o Make sure the speed on both routers matches.

Question 12 

(TCO 3) What piece of information is included in the show ip interface brief command?

o The status of the physical layer

o The next-hop IP address

o The MAC address of the egress interface

o The IP address of the ingress interface

o None of the above

Question 13

(TCO 3) The measure of the probability that a network is available to use when it is required is called its _____.

o availability

o reliability

o load

o mean time to fail (MTTF)

o None of the above

Question 14

(TCO 4) What is the difference between IPv6 routing table entries compared to IPv4 routing table entries?

o IPv6 routing tables include local route entries which IPv4 routing tables do not.

o By design IPv6 subnet mask must be 64 bit long unlike variable length subnet mask in IPv4.

o IPv6 cannot use summarization as IPv4 can.

o By design IPv6 is classless so all routes are effectively level-1 ultimate routes.

o IPv6 does not use static routes to populate the routing table as used in IPv4.

Question 15

(TCO 4) Which requirement is necessary to have an ultimate route in a routing table?

o Classful subnets

o Next-hop address

o Administrative distance

o Floating route

o All of the above

Question 16

(TCO 4) Which event will trigger the sending of link-state packets to neighbor routers?

o The flush timer expires.

o Initial startup of the routing protocol process on a router

o The synchronization timer expires.

o Answers A, B, and C are correct.

o None of the above

Question 17

(TCO 4) This dynamic routing protocol was designed to be used to connect different autonomous systems or organizations.

o IS-IS

o EGPv4

o OSPF

o EIGRP

o None of the above

Question 18

(TCO 4) Given the captured show ip protocols command below from router Ro3. What can you tell about the RIP routing protocol running on this router?

Ro3#show ip protocols

Routing Protocol is "rip"

Sending updates every 30 seconds, next due in 12 seconds

Invalid after 180 seconds, hold down 180, flushed after 240

Outgoing update filter list for all interfaces is not set

Incoming update filter list for all interfaces is not set

Redistributing: rip

Default version control: send version 2, receive 2

Interface Send Recv Triggered RIP Key-chain

GigabitEthernet0/0 2 2 

Serial0/0/0 2 2 

Automatic network summarization is in effect

Maximum path: 4

Routing for Networks:

192.168.1.0

Passive Interface(s):

Routing Information Sources:

Gateway Distance Last Update

192.168.1.9 120 00:00:13

Distance: (default is 120)

o This router is capable of sending and receiving RIPv1.

o This router is directly connected to two neighbor routers.

o This router learns two networks via the RIP process.

o This router’s Gateway of Last Resort is 192.168.1.9.

o None of the above

Question 19

(TCO 5) Which command will provide information specific to OSPFv3 routes in the routing table?

o showip route ospf

o showip route ospfv3

o show ipv6 route

o showip route ospf

o show ipv6 route ospf

Question 20

(TCO 5) A network administrator enters the command ipv6 router ospf 110 in global configuration mode. What is the result of this command?

o The router will be assigned an autonomous system number of 110.

o The router will be assigned a router ID of 110.

o The reference bandwidth will be set to 110 Mb/s.

o The OSPFv3 AS number will be assigned an ID of 64.

o None of the above

Question 21

(TCO 5) Which command should be used in OSPF to provide detailed information about every OSPF-enabled interface?

o showip protocols

o showipospf neighbor

o showipospf

o show running-config

o None of the above

Question 22

(TCO 5) A router in OSPF router has a data rate of 10 Mbps on one of its interfaces. What will the OSPF cost of that link be?

o 110

o 64

o 128

o 10

o 100

Question 23

(TCO 5) R1 is currently the DR router. R2 is currently the BDR router. R3 is currently the DROther. Your IT Manager has asked you to make R2 the DR and R1 the BDR. Which answer will achieve that goal?

o Change the priority number on R2 to be the highest.

o Change the priority on R1 to be the second highest.

o Answers A and B are correct.

o Change the router-ID on R3.

o None of the above

Question 24

(TCO 5) Cisco’s routers use this first to determine router-ID in OSPF. Assume IP addresses are configured on Physical and Loopback Interfaces are working as expected.

o Largest physical interface IP of Loopback

o Global interface-ID

o Lowest physical interface IP of Loopback

o Local interface-ID

o None of the Above

Question 25

(TCO 5) Single area OSPFv3 has been enabled on a router via the ipv6 router ospf 15 command. Which command will enable this OSPFv3 process on an interface of that router?

o ipv6ospf 0 area 0

o ipv6ospf 15 area 15

o ipv6ospf 0 area 0, 15

o ipv6ospf 15 area 0

o None of the above

Question 26

(TCO 6) Which IPv6 ACL command entry will permit traffic from any host to an HTTPS server on network 200A:16F:AD90:45BE::/64?

o permittcp any host 200A:16F:AD90:45BE::100 eq 80

o permittcp host 200A:16F:AD90:45BE::100 any eq 25

o permittcp any host 200A:16F:AD90:45BE::100 eq 22

o permittcp host 200A:16F:AD90:45BE::100 any eq 23

o permittcp any host 200A:16F:AD90:45BE::100 eq 443

Question 27

(TCO 6) Which statement is correct about ACLs configured in Cisco routers?

o Outbound ACLs are processed after the routing is completed.

o Outbound ACLs may be applied twice per interface per direction as opposed to inbound ACLs that can only be applied once per interface per direction.

o Standard inbound ACLs must exit the ingress interface.

o Inbound ACLs must be applied to the egress interface of the router.

o Answers A and C are correct.

Question 28

(TCO 6) Given the following access-control list:

access-list 90 deny 10.168.7.0 0.0.0.255

access-list 90 permit host 10.168.7.10

access-list 90 permit host 10.168.7.11

access-list 90 permit host 10.168.7.12

access-list 90 deny any

What would be the end result if the network security engineer applies access-list 90 to the inbound interface of FastEthernet 0/3?

o The access-list will permit host 10.168.7.10 to pass through the router.

o The access-list will permit host 10.168.7.15 to pass through the router.

o Denial of service for this network because the rules are not placed in the correct order.

o Both hosts 10.168.7.10 and 10.168.7.11 will be permitted.

o The access-list will generate an error message.

Question 29

(TCO 6) A Standard ACL filters traffic based on _____.

o source and destination IP addresses

o protocol used

o source IP address

o source port only

o None of the above

Question 30

(TCO 6) The rules for using named ACLs are _____.

o names can contain alphanumeric characters

o it is suggested that the name be written in CAPITAL LETTERS

o names cannot contain spaces or punctuation

o All of the Above

o Answers A and C are the only correct answers.

Question 31

(TCO 6) The command used to assign an ACL to a router's interface is _____.

o access-class

o IP access-class

o IP access-group

o access-group

o None of the above

Question 32 

(TCO 6) The two additional statements that can be used with IPv6 ACLs that is similar to the IPv4 extended ACL “deny any any” statement is _____.

o permit any anynd-na

   permit any anynd-ns

o permit any host nd-na

   permit any host nd-ns

o permiticmp any anynd-na

    permit icmp and any nd-ns

o permit ipv6 any anynd-na

   permit ipv6 any anynd-ns

o None of the above

Question 33

(TCO 7) By default, client DHCPv6 messages are sent to _____.

o FF02::9

o a multicast address

o FFFF::FFFF

o FF02::06

o None of the above

Question 34

(TCO 7) Which command excludes the last five useable IP addresses from a DHCPv4 address pool of the network 10.16.15.96/27?

Router(config)#

o ipdhcp excluded-address 10.16.15.1 10.16.15.5

o ipdhcp excluded-address 10.16.15.64 10.16.15.68

o ipdhcp excluded-address 10.16.15.97 10.16.15.99

o ipdhcp excluded-address 10.16.15.96 10.16.15.100

o ipdhcp excluded-address 10.16.15.122 10.16.15.126

Question 35

(TCO 7) What is the group of public IPv4 addresses used on a NAT-enabled router known as?

o Outside local addresses

o Inside local addresses

o Public NAT addresses

o Inside global addresses

o Outside global addresses

Question 36

(TCO 7) Which version of NAT allows many hosts inside a private network to simultaneously use a single inside global address for connecting to the Internet?

o PAT

o Translation overload

o Interface overload

o Automatic NAT

o Port forwarding NAT

Question 37

(TCO 7) The command one can issue on a router to have it automatically get an IPv4 address from a DHCP server for a particular interface is _____.

o DHCP enable

o ip address dhcp

o ip address dynamic

o All of the above

o Answers B and C are correct.

Question 38

(TCO 7) The command used to assign display the IPv6 addresses a DHCP IPv6 configured router has handed out is _____.

o show ipv6 address

o show ipv6 bindings

o show ipv6 dhcp binding

o show ipv6 protocols

o None of the above

Question 39

(TCO 7) The keyword that enables PAT when configuring NAT to act as a PAT server is _____.

o PAT

o port-translation

o PAT inside

o overload

o inside local

Question 40

(TCO 7) What is the purpose of the DHCPOFFER message during the DHCPv4 process?

o To give a DHCP client a permanent IP address

o To broadcast an IP offer so that no other hosts use the address

o To synchronize with the default gateway

o To propose a lease of an IP address to a DHCP client

o To initiate the DHCP process by the client

Question 41

(TCO 5) Match the terminology on the left with the corresponding category on the right.

Hello _________

Process-ID _________

Link-state request _____________

Multiaccess network___________________ 

Designated router _______________________________

 Question 42

(TCO 2) Which statements accurately describe VLAN types? Choose all that apply.

o All VLANs can be transported over the native trunk port.

o VLAN 1 is always used as the management VLAN.

o VLAN 1 is always used as the administrative VLAN.

o An 802.1Q trunk port, with a native VLAN assigned, supports both tagged and untagged traffic.

o Voice VLANs are used to support user telephone and voice mail traffic on a network.

Question 43

(TCO 6) Explain how a DHCP IPv4 relay agent works on a router.

  Question 44

(TCO 6) Write numbered extended ACL commands that would deny ftp traffic from subnets 192.168.16.0 to 192.168.31.0 that that is going to subnet 192.168.35.0, but permit all other traffic. (10 points)

 Question 45

(TCO 5) A brand new Cisco router is configured with the following IP addresses.

Gigabit Ethernet 0/0: 172.16.255.17 /29

Serial 0/3/1: 172.16.200.41 /30

What are the three statements required to complete the OSPF configuration part of the router assuming we are using process-ID 33 and Area 0? What does each command do?

Question 46

(TCO 4) Explain how a distance-vector routing protocol works. 

@ See Chapter 7, page 411.

Question 47

(TCO 3) Explain how Process Switching works on a router.

Question 48

(TCO 2) Explain what the switchport mode dynamic auto command does on a Cisco switch.