Quiz 6: Routing Protocols (Chapter 10)

Which of the following is a Class B reserved IP address space? A. 10.0.0.0 - 10.255.255.255 B. 172.16.0.0 - 172.31.255.255 C. 192.168.0.0 - 192.168.255.255 D. 224.0.0.0 - 224.255.255.255

B. 172.16.0.0 - 172.31.255.255

Which of the following is a distance-vector protocol that incorporates some elements of link-state protocols, such as neighbor discovery? A. BGP B. EIGRP C. OSPF D. RIP

B. EIGRP

Which of the following is a routed protocol? A. BGP B. IP C. OSPF D. RIP

B. IP

Which of the following protocols relies on Link State Advertisements (LSA) to notify neighbor routers when interfaces and/or links become operative or inoperative? A. EIGRP B. OSPF C. RIPv1 D. RIPv2

B. OSPF

In the OSPF network in the diagram below, router R2 (Area 1) is a Quiz_6_Question_16.jpg A. area border router B. autonomous system border router C. backbone router D. OSPF stub router

B. autonomous system border router

Which of the following has the least administrative distance? A. BGP B. connected interface C. OSPF D. RIP E. static route

B. connected interface

Examine the network diagram below. By which metric did router R1 use to decide that the route to the 172.16.1.96 /27 should direct traffic across WAN link R1-R3 (172.16.1.236 /30)? (This WAN link is highlighted in green.) Quiz_6_Question_12.jpg A. bandwidth B. hop count C. MAC address D. time

B. hop count

You are designing a very large network in Florida, and you need a unique Autonomous System (AS) number for your network. To which organization will you apply to get this AS number? A. American Registry for Internet Numbers (ARIN) B. Internet Corporation for Assigned Names and Numbers (ICANN) C. Institute of Electrical and Electronics Engineers (IEEE) D. Internet Assigned Numbers Authority (IANA)

A. American Registry for Internet Numbers (ARIN)

In the OSPF network in the diagram below, in which area does the backbone router reside? Quiz_6_Question_14.jpg A. Area 0 B. Area 1 C. Area 2 D. Area 3

A. Area 0

Which of the following protocols is an Exterior Gateway Protocol (EGP)? A. BGP B. OSPF C. RIP D. EIGRP

A. BGP

You are examining the route table below. Which of the following routes appeared in this route table when the router LAN interface was assigned an IP address? C 172.16.1.0 /26 is directly connected, Ethernet 0/0 C 172.16.1.240 /30 is directly connected, Serial 0/0 C 172.16.1.236 /30 is directly connected, Serial 0/1 D 172.161.64 [90,45739766] via 172.16.1.238, Serial 0/1 D 172.161.96 [90,45739766] via 172.16.1.238, Serial 0/1 D 172.161.128 [90,45739766] via 172.16.1.238, Serial 0/1 A. C 172.16.1.0 /26 is directly connected, Ethernet 0/0 B. C 172.16.1.240 /30 is directly connected, Serial 0/0 C. C 172.16.1.236 /30 is directly connected, Serial 0/1 D. D 172.161.64 [90,45739766] via 172.16.1.238, Serial 0/1 E. D 172.161.96 [90,45739766] via 172.16.1.238, Serial 0/1 F. D 172.161.128 [90,45739766] via 172.16.1.238, Serial 0/1

A. C 172.16.1.0 /26 is directly connected, Ethernet 0/0

Which of the following route table entries would be considered the most "trustworthy", i.e. be used by the router for routing packets to this subnet? A. C 172.16.1.64 /26 is directly connected, Ethernet 0/1 B. 172.16.1.64 /26 [90,45739766] via 172.16.1.238, Ethernet 0/1 C. 172.16.1.64 /26 [120,1] via 172.16.1.238, Ethernet 0/1 D. 172.161.64 [1,1] via 172.16.1.238, Ethernet 0/1

A. C 172.16.1.64 /26 is directly connected, Ethernet 0/1

In either a link-state protocol or a hybrid protocol, HELLO packets are multicast from a router. What is the function of these packets? A. Determine neighbors and confirm connectivity with them B. Ensure that classful network rules are followed C. Ensure that packets will loop back to their origins D. Fulfil the requirements of the Bellman-Ford algorithm

A. Determine neighbors and confirm connectivity with them

Examine the network diagram below. By which metric did router R1 use to decide that the route to the 172.16.1.96 /27 should direct traffic across WAN link R1-R0 (172.16.1.240 /30)? (This WAN link is highlighted in green.) Quiz_6_Question_10.jpg A. bandwidth B. hop count C. MAC address D. time

A. bandwidth

The autonomous system border router that connects AS 3 (Autonomous System 3) to its ISP needs to be running which of the following protocols? Select all that apply. Quiz_6_Question_23.jpg A. BGP B. EIGRP C. IS-IS D. OSPF E. RIP

A., B.

In the network in the diagram below, PC A (172.16.1.20) sends an IP packet to PC B (172.16.1.103). The network has converged, and all links are operational. To which IP address will router R1 send this packet? Quiz_6_Question_24.jpg A. 172.16.1.237 B. 172.16.1.238 C. 172.16.1.242 D. 172.16.1.250

C. 172.16.1.242

Which routing protocol is favored by Internet Service Providers (ISP) for its scalability, robustness, convergence speed, and the fact that it doesn't require separate routing table instances for IPv4 and IPv6? A. BGP B. EIGRP C. IS-IS D. OSPF

C. IS-IS

Which of the following describes a collection of networks that are all part of the same administrative domain? C. RIPv1 B. border gateway C. core network D. zone

C. RIPv1

You need to select a routing protocol for the routers in the diagram below. Which of the following protocols certainly will not work for this network? Quiz_6_Question_6.jpg A. BGP B. OSPF C. RIPv1 D. RIPv2 E. EIGRP

C. RIPv1

What makes dynamic routing for the network below possible? Quiz_6_Question_13.jpg A. HSRP B. OSPF C. VLSM D. VTAM

C. VLSM

A routing protocol transmits routing table updates to its neighbors using IP address 224.0.0.9. Which type of transmission is this? A. anycast B. broadcast C. multicast D. unicast

C. multicast

Which of the following protocols determines distance metric strictly on the basis of number of router hops? A. BGP B. EIGRP C. OSPF D. RIP

D. RIP

Which of the following protocols is a distance-vector protocol? A. BGP B. IS-IS C. OSPF D. RIP

D. RIP

In the diagram below, explain why no MAC address has been specified for either WAN interface. Quiz_6_Question_26.jpg A. Multicast specifically targets the opposite end of all WAN links by default. B. No OSI Layer 2 functionality is needed for WAN links. C. The MAC address is burned into the WAN hardware, and asserts itself upon booting of the interface. D. This is a point-to-point connection that leaves no ambiguity as to a frame's destination.

D. This is a point-to-point connection that leaves no ambiguity as to a frame's destination.

What information must be included in routing protocol transmissions to allow VLSM? A. infinity count B. MD5 authentication C. network class D. subnet mask

D. subnet mask

You are adjusting the route table of a problematic router. For technical reasons, you cannot remove a specific route from this router's routing table, but you do need to set the route so that it will never be used. Which of the following administrative distances would render the route unusable? A. 0 B. 1 C. 90 D. 110 E. 120 F. 256

F. 256