Introduction to Switching with Lab

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Score for this quiz:  14  out of 20 * Submitted Sep 9 at 8:29pm This attempt took 21 minutes.   Question 1 2 / 2 pts (TCO 1) The _____ is (are) used to determine which switch ports on a network need to be blocking in order to prevent loops from occurring.   switch diameter Correct!   spanning-tree algorithm   spanning-tree traffic   bridge priority See Chapter 2.1 in the textbook and the Week 2 Lecture.   Question 2 2 / 2 pts (TCO 1) The default STP mode on the Cisco 2960 switch is _____, which is based on the IEEE _____ standard.   STP, 802.1D-2004 Correct!   PVST+, 802.1D-1998   RSTP, 802.1w   MSTP, 802.1D-2004 See Chapter 2.2 in the textbook and the Week 2 Lecture.   Question 3 2 / 2 pts (TCO 1) If the network engineer has made no configuration changes to the switch, which criteria is used when electing the root bridge?   Highest MAC address Correct!   Lowest MAC address   Highest IP address   Lowest IP address See Chapter 2.2 in the textbook and the Week 2 Lecture. The root bridge is the switch with the lowest BID. If no priority is configured then all switches use the default priority and the election of the root bridge will be based on the lowest MAC address.   Question 4 2 / 2 pts (TCO 1) Which RSTP port should be connected to an end device?   Trunk port   Root port   Designated port Correct!   Edge port See Chapter 2.2 in the textbook and the Week 2 Lecture.   Question 5 2 / 2 pts (TCO 1) When running HSRP, how would you verify if the router is the active or standby router?   Show active   Show protocols   Show fhrp router Correct!   Show standby See Chapter 2.4 in the textbook and the Week 2 Lecture. Show standby will show you whether this router is active or is in standby state.   Question 6 2 / 2 pts (TCO 2) There is no need to upgrade links to faster connections to increase bandwidth. This statement is an advantage of _____.   spanning tree algorithm   redundant switches Correct!   EtherChannel   redundant routers See Chapter 3 in the textbook and the Week 2 Lecture.   Question 7 2 / 2 pts (TCO 2) _____ is(are) disabled by default.   STP Correct!   EtherChannel   VLAN 1   All of the above See Chapter 3 in the textbook and the Week 2 Lecture.   Question 8 0 / 2 pts (TCO 2) You are configuring two Cisco switches with redundant connections. To increase the available traffic bandwidth between the switches, you want to configure EtherChannel. SwitchA was already configured with    SwitchA(config-if)# channel-group 2 mode desirable Which protocol is being used?   Link aggregation control protocol Correct Answer   Port aggregation protocol You Answered   Dynamic trunking protocol   Gateway load balancing protocol See Chapter 3 in the textbook and the Week 2 Lecture.   Question 9 Not yet graded / 4 pts (TCO 2) Describe at least two things that can cause interfaces to not work within the same EtherChannel group. Your Answer: EtherChannel only supports 8 interfaces so having more than 8 interfaces will automatically cause it to not work. For Layer 2 EtherChannels and if  you configure an EtherChannel from trunk interfaces, verify that the trunking mode and the native VLAN is the same on all the trunks. Interfaces in an EtherChannel with different trunk modes or different native VLANs can have unexpected results. See Chapter 3.2 in the textbook and the Week 2 Lecture. -All Ethernet interfaces on all modules must support EtherChannel with no requirement that interfaces be physically contiguous, or on the same module. -All Ethernet interfaces must be of the same type, such as all Fast Ethernet or all Gigabit Ethernet.             -Configure all interfaces in an EtherChannel to operate at the same speed and in the same duplex mode. -All interfaces in the EtherChannel bundle must be assigned to the same VLAN, or be configured as a trunk. -When configuring an EtherChannel from trunk ports, verify that the trunking mode is the same on all the trunks. -Inconsistent trunk modes on Ether Channel ports can cause EtherChannel not to function and ports to be shut down. Quiz Score:  14  out of 20

NETW | 206 | Introduction to Switching with Lab | assessment | Score for this quiz:  14  out 

NETW206 QUIZ 3 WEEK 3 1. What is the standard that gives access to wireless broadband for a distance of 50 k IEEE 802.16 2. A wireless home router can be categorized as a(n) _____ AUTONOMOUS AP 3. What is a characterisc of an omnidireconal Wi-Fi antenna? IT IS ALSO REFERRED TO AS A RUBBER-DUCK DESIGN 4. There are several types of Wi-Fi frames. What management frame is sent from an AP containing capability informaon, such as the supported data rates? PROBE 5. A wireless client cannot hear while it is sending, thus making it impossible to detect a collision. To address this problem, ____ is used. CSMA/CA 6. Which security mode is the least secure choice when a home wireless router is conﬁgured? WEP 7. Sping wireless traﬃc _____. COULD PLACE TIME-SENSITIVE TRAFFICE ON A 5-GHz BAND CHANNEL 8. Which window on a Linksys EA6500 wireless router has the SSID, wireless password, and administrave password? LINKSYS ROUTER SETTINGS 9. In your own words, explain the beneﬁt of wirelesss networking from the employee perspecve. WITH EMPLOYEES BECOMING MORE MOBILE AND WANT TO MAINTAIN ACCESS TO THEIR BUSINESS LAN RESOURCES FROM LOCATIONS OTHER THAN THEIR DESKS W. WORKERS WANT TO TAKE THEIR WIRELESS DEVIES TO MEETINGS.

NETW | 206 | Introduction to Switching with Lab | assessment | NETW206 QUIZ 3 WEEK 3 1. What 

NETW 206 WEEK 5 QUIZ: Question 1 2 / 2 pts (TCO 4) In a multi-area OSPF network the main area is Area _____.   A   DR Correct!   0   1 See Chapter 6.   Question 2 2 / 2 pts (TCO 4) End users are typically not found in what area?   End users are in all areas   The regular area   The transitory area Correct!   The backbone area See Chapter 6.   Question 3 2 / 2 pts (TCO 4) This command shows the multi area OSPF link state database.   show database   show ip ospf lsa   show ospf areas Correct!   show ip ospf database See Chapter 6.   Question 4 2 / 2 pts (TCO 4) With multi-area OSPF, which OSPF router type has all interfaces in the same area?   AS router   Gateway router   External router Correct!   Internal router See Chapter 6.   Question 5 2 / 2 pts (TCO 4) On which type of OSPF routers can route summarization be configured? Correct!   ABR   PDQ   ARSI   Internal See Chapter 6.   Question 6 2 / 2 pts (TCO 4) OSPF multi-area design is based on _____.   the SPF calculation rate   flat network design   designated routers Correct!   hierarchical network design See Chapter 6.   Question 7 2 / 2 pts (TCO 4) End users are typically not found in what area?   End users are in all areas   The regular area Correct!   The backbone area   The transitory area See Chapter 6.   Question 8 2 / 2 pts (TCO 4) There are four types of OSPF routers. Which type connects to multiple areas?   MBone router   Backbone router Correct!   Area border router   BGP router See Chapter 6.   Question 9 Not yet graded / 4 pts (TCO 4) List and explain three reasons for using multi-area OSPF. Your Answer:  Reduced link-state update overhead: Minimizes processing and memory requirements, due to the fewer routers exchanging LSAs.  Reduced frequency of SPF calculations: Localizes impact of a topology change within an area.  Smaller routing tables: Fewer routing table entries as network addresses can be summarized between areas. Chapter 6 Smaller routing tables: There are fewer routing table entries as network addresses can be summarized between areas. Reduced link-state update overhead: Minimizes processing and memory requirements, because there are fewer routers exchanging LSAs. Reduced frequency of SPF calculations: Localizes impact of a topology change within an area. For example, it minimizes routing update impacts, because LSA flooding stops at the area boundary.  

NETW | 206 | Introduction to Switching with Lab | assessment | NETW 206 WEEK 5 QUIZ: Question

Weeks 1-2 Quiz (TCO 1) A typical enterprise hierarchical LAN campus network design usually includes a three-layer design. The first of these three layers is the _____.   User layer   Input layer rect!   Access layer   None of the above (TCO 1) A two-tiered hierarchical design is where the _____ and Distribution layer have collapsed into one layer because the organization has not grown significantly over the years to warrant a three-layer design. rect!   Core   None of the above   Input   Access (TCO 1) The enterprise edge module provides connectivity for voice, video, and data services outside the enterprise. This module often functions as a liaison between the enterprise campus module and the other modules. It consists of _____.   campus core   All of the above Correct!   e-commerce services   enterprise teleworker (TCO 2) A point established in a building or complex to separate customer equipment from service provider equipment is called the _____.   termination point orrect!   demarcation point   entry point   None of the above (TCO 2) The benefits of Ethernet WAN include _____. rect!   reduced expense and administration   All of the above   dedicated private network   packet bursting (TCO 2) Benefits of using a virtual private network (VPN) include _____.   scalability Correct!   All of the above   security   cost savings (TCO 3) A bit oriented synchronous data link layer protocol developed by the international organization for standardization (ISO) is called _____.   Ethernet   None of the above   frame relay Correct!   HDLC (TCO 3) PPP contains three main components and they are HDLC framing, link control pProtocol (LCP), and _____.   None of the above   media control protocol   link layer protocol ect!   network control protocol (TCO 3) To troubleshoot a PPP configuration with authentication being used the most useful command to use is _____. You Answered   debug PPP   show running configuration   None of the above   show interfaces serial (TCO 3) The device on a network where data originates and ultimately ends up is known as a _____. You Answered   DCE   None of the above   DSU/CSU   DTE

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