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Data Communications and Networking 3

Showing 76-150 of 247 answers

During EIGRP operation where do successor routes stored?
  • in the routing table and the topology table Correct
During EIGRP operation which two EIGRP packet types are sent with reliable delivery?
  • Hello & Ack Correct
During network troubleshooting in MAX Industries factory 2 routers, R1 and R2, have established an EIGRP neighbor relationship, but there is still a connectivity problem. Which issue could be causing this problem?
  • An access list that is blocking the advertisements from other networks was configured in each or both routers Correct
During router configuration what OSPF LSA type is used to inform routers of the router ID of the DR in each multiaccess network in an OSPF area?
  • type 2 Correct
During summarization configuration what address and wild card mask can be used to enable EIGRP for only the subnet 192.168.100.192 255.255.255.192?
  • 192.168.100.192 0.0.0.63 Correct
During the checking a routing table, a network specialist notices the following entry: O*E2 0.0.0.0/0 [110/1] via 192.168.16.3, 00:20:22, Serial0/0/0 What information can be gathered from this output?
  • This route is a propagated default route. Correct
During the discussion in chapter 6 about multiarea OSPF, what router that has at least one interface that is attached to a non-OSPF network?
  • ASBR Correct
During the discussion in this chapter, what is a characteristic of in-band device management?
  • It is used to monitor and make configuration changes to a network device over a network connection. Correct
During the discussion of OSPF networks on chapter 6, what is used to facilitate hierarchical routing in OSPF?
  • the use of multiple areas Correct
During the implementation what is the term used to express the thickness or height of a switch?
  • Rack Unit or RU Correct
During the investigation of routing table, the network administrator notices the following entry: O*E2 0.0.0.0/0 [110/1] via 192.168.10.3, 00:20:22, Serial0/0/0 What information can be gathered from this output?
  • This route is a propagated default route Correct
During the network troubleshooting in RMS Hospital the network administrator notice an EIGRP problem on a router and needs to confirm the IP addresses of the devices with which the router has established adjacency. The retransmit interval and the queue counts for the adjacent routers also need to be checked.
  • c Correct
During the network troubleshooting in RMS Hospital the network administrator notice an EIGRP problem on a router and needs to confirm the IP addresses of the devices with which the router has established adjacency. The retransmit interval and the queue counts for the adjacent routers also need to be checked. What command will display the required information?
  • c Correct
During the testing and troubleshooting, the senior network administrator investigates and notices the following entry: O*E2 0.0.0.0/0 [110/1] via 192.168.16.3, 00:20:22, Serial0/0/0 What information can be gathered from this output?
  • This route is a propagated default route. Correct
During the upgrade of IOS system image, a router is powered on, where will the router first search for a valid IOS image to load by default?
  • flash memory Correct
During the wireless implementation planning what type of wireless antenna is best suited for providing coverage in large open spaces, such as hallways or large conference rooms?
  • In wireless topologies, Yagi is a type of directional antenna that can be used in long distance Wi-Fi networking. Correct
During troubleshooting, the administrator notices the following entry: O*E2 0.0.0.0/0 [110/1] via 192.168.16.3, 00:20:22, Serial0/0/0 What information can be gathered from this output?
  • This route is a propagated default route. Correct
During which stage of establishing connectivity between a WLAN client and an AP does the client learn the MAC address of the AP?
  • association Correct
How many switches in a network must be running STP or RSTP in order to avoid broadcast storms?
  • At least one in each loop Correct
How much traffic for a 12port gigabit switch capable of generating when operating at full wire speed?
  • 12 Gb/s, by providing full bandwidth to each port Correct
If a range of ports is being configured for EtherChannel by the use of PAgP, which mode will form the bundled channel only if the port receives PAgP packets from another device?
  • auto Correct
If you are a network design engineer, which type of router would an enterprise use to allow customers to access content anytime and anyplace, regardless of whether they are at home or work?
  • Network edge routers Correct
If you planning to built a large network composed of datacenters, nationwide branches office, stores, remote overseas offices which of these works better for larger network such as this?
  • Multi-area OSPF Correct
If you want to disable STP on a port connected to a server, which command would you use?
  • spanning-tree portfast Correct
In a switched LAN environment which RSTP ports are connected to end devices?
  • edge ports Correct
In AP technology which type of management frame may regularly be broadcast by an AP?
  • beacon Correct
In case a router is powered on, where will the router first search for a valid IOS image to load by default?
  • flash memory Correct
In chapter 6 which area is referred to as the "backbone area"?
  • . Area 0 Correct
In Cisco APs that operate in a home environment and Cisco APs that operate in a corporate environment what is the most likely advantage of corporate access points?
  • Many corporate AP models can operate in either autonomous mode or controller-based mode. Correct
In configuring link aggregation an EtherChannel link using LACP was formed between two switches, S1 and S2. While verifying the configuration, which mode combination could be utilized on both switches?
  • S1-passive and S2-active Correct
In configuring OSPF authentication which two pieces of information are used by the OSPF MD5 algorithm to generate a signature?
  • secret key & OSPF message Correct
In EIGRP operation if all router Ethernet interfaces in an EIGRP network are configured with the default EIGRP timers, how long will a router wait by default to receive an EIGRP packet from its neighbor before declaring the neighbor unreachable?
  • 15 seconds Correct
In etherchannel configuration what is a requirement to configure a trunking EtherChannel between two switches?
  • The allowed range of VLANs must be the same on both switches Correct
In FHRP operation, two or more routers are represented as a single virtual router.
  • TRUE Correct
In implementation of OSPF network what command pertains to propagating a default route?
  • Ip route 0.0.0.0 0.0.0.0 192.200.1.2 Correct
In implementing EtherChannel technology, which PAgP mode combination will establish an EtherChannel?
  • switch 1 set to desirable; switch 2 set to desirable. Correct
In LAN redundancy which 3 components are combined to form a bridge ID?
  • extended system ID, MAC address, bridge priority Correct
In link aggregation configuration, which command will initiate EtherChannel interface configuration mode?
  • interface port-channel interface-identifier Correct
In link state advertisement the type 1 LSAs are also refered to as:
  • Router link entries Correct
In managing cisco devices, which two requirements must always be met to use in-band management to configure a network device?
  • at least one network interface that is connected and operational & Telnet, SSH, or HTTP access to the device Correct
In network troubleshooting, which command can be issued on a router to verify that automatic summarization is enabled?
  • show ip protocol Correct
In networking term, port density refers to the number of ports available on a single switch.
  • TRUE Correct
In networking world, "Rack unit" is the term used to express the thickness or height of a switch.
  • TRUE Correct
In OSPF configuration understanding which parameter would you tune to affect the selection of a static route as a backup, when a dynamic protocol is also being used?
  • administrative distance Correct
In OSPF discussions what is used to facilitate hierarchical routing in OSPF?
  • the use of multiple areas Correct
In OSPF networks discussion what router that has at least one interface that is attached to a non-OSPF network?
  • ASBR Correct
In OSPFv2 operations which command can be used to verify the contents of the LSDB in an OSPF area?
  • show ip ospf database Correct
In RMS University, the network admin is trying to add a new router into an established OSPF network. The network attached to the new router do not appear in the routing tables of the other OSPF routers. Given the information in the partial configuration shown below, what configuration error is causing this problem? Router(config)# router ospf 1 Router(config-router)# network 10.0.0.0 255.0.0.0 area 0
  • The network wildcard mask is configured improperly. Correct
In scalable hierarchical network design, what is the design model layer that provides a high-speed backbone link between dispersed networks?
  • Core Layer Correct
In Scaling Networks as discussed in chapter 8, If all router Ethernet interfaces in an EIGRP network are configured with the default EIGRP timers, how long(hold timer) will a router wait by default to receive an EIGRP packet from its neighbor before declaring the neighbor unreachable?
  • 15 sec Correct
In Scaling Networks course, link aggregation should be implemented at which layer of the hierarchical network?
  • Access, distribution, and core Correct
In scaling networks what command pertains to propagating a default route?
  • Ip route 0.0.0.0 0.0.0.0 192.200. Correct
In single-area OSPF concepts which parameter would you tune to affect the selection of a static route as a backup, when a dynamic protocol is also being used?
  • administrative distance Correct
In specific 802.11 wireless lan standard what frequency band is assigned for 802.11a?
  • 5Ghz Correct
In specific 802.11 wireless lan standard what maximum speed can 802.11n reached?
  • 600Mbps Correct
In terms of network reliability, the ability of a network to be up most of the time. Sometimes referred to as 99.999, or "five nines".
  • Reliability Correct
In the understanding of dynamic routing protocol operations. A scenario where a router has learned three possible routes that could be used to reach a destination network. One route is from EIGRP and has a composite metric of 20514560. Another route is from OSPF with a metric of 782. The last is from RIPv2 and has a metric of 4. Which route or routes will the router will install in the routing table?
  • the EIGRP route Correct
In this chapter, which is a characteristic of a Layer 2 loop?
  • Broadcast frames are forwarded back to the sending switch Correct
In this chapter, which two types of spanning tree protocols can cause sub-optimal traffic flows because they assume only one spanning-tree instance for the entire bridged network?
  • STP & RSTP Correct
In today's current switch technology, Which statement describes a characteristic of Cisco Meraki switches?
  • They are cloud-managed access switches that enable virtual stacking of switches. Correct
In todays network technology which network design solution will best extend access layer connectivity to host devices?
  • Implementing wireless connectivity Correct
In troubleshooting OSPF issues which command is used to verify that OSPF is enabled and also provides a list of the networks that are being advertised by the network?
  • show ip protocols Correct
In troubleshooting OSPF issues why do OSPF serial interfaces usually require manual bandwidth configuration?
  • OSPF uses the bandwidth value to compute routes for its routing table. Correct
In understanding basic features and operation of EIGRP what is the EIGRP metric?
  • K-values Correct
In understanding Cisco IOS image which statement describes a difference between the IOS 15.0 extended maintenance release and a standard maintenance release?
  • The standard maintenance release enables faster IOS feature delivery than the extended maintenance release does. Correct
In understanding concepts of OSPF which three statements describe the routing protocol OSPF? 1. It supports VLSM. 2. It is used to route between autonomous systems. 3. It confines network instability to one area of the network. 4. It increases routing overhead on the network. 5. It allows extensive control of routing updates 6. It is simpler to configure than RIPv2.
  • 1, 3, 5 Correct
In understanding IOS system image files what statement describes a Cisco IOS image with the “universalk9_npe” designation for Cisco ISR G2 routers?
  • It is an IOS version that, at the request of some countries, removes any strong cryptographic functionality. Correct
In understanding IOS system image files which IOS 12.4 software package integrates full features, including voice, security, and VPN capabilities, for all routing protocols?
  • Advanced Enterprise Services Correct
In understanding link aggregation what is a best practice to use before beginning an EtherChannel implementation?
  • Shut down each of the affected interfaces. Correct
In understanding link aggregation which protocol is an IEEE standard, it can be used to facilitate EtherChannels in multivendor environments?
  • LACP Correct
In understanding multiarea OSPF network which statement describes a multiarea OSPF network?
  • . It has a core backbone area with other areas connected to the backbone area. Correct
In understanding of chapter 7 EIGRP uses the dual algorithm for finding shortest path?
  • TRUE Correct
In understanding of multiarea OSPF where do inter-area route summarization be performed in an OSPF network?
  • any router Correct
In understanding of this chapter which characteristic describes both ABRs and ASBRs that are implemented in a multiarea OSPF network?
  • They are required to reload frequently and quickly in order to update the LSDB. Correct
In understanding OSPF concepts which parameter or parameters are used to calculate OSPF cost in Cisco routers?
  • Bandwidth Correct
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