Why does Internet Control Message Protocol (ICMP) use identifier and sequence numbers? Show A ping command uses which Internet Control Message Protocol (ICMP) message types? (Choose two.) Internet Control Message Protocol (ICMP) supports which TCP/IP utility? Why might we use Internet Control Message Protocol (ICMP) testing on an IP network? Which two statements concerning multicasting are true? (Choose two.) How would IP multicasting map address 224.0.0.1 to an Ethernet multicast address? For which three purposes might you use multicasting on an IP network? (Choose three.) Which
TCP/IP protocol allows a diskless workstation to discover its IP address, as well as download a boot file? Why would you use a Bootstrap Protocol (BOOTP) relay agent on your network? Which best describes a BOOTP relay agent? In which cases will a BOOTP relay agent discard a BOOTREQUEST message? (Choose three.) When might a BOOTP client discard a BOOTREPLY message? (Choose three.) How might a Dynamic Host Configuration Protocol (DHCP) client relinquish its current lease? At which point in the lease period does the
client first attempt to renew its lease? Which of the following choices is the correct order in which a Dynamic Host Configuration Protocol (DHCP) client initially obtains an IP address? How many Dynamic Host Configuration Protocol (DHCP) address allocation steps are required to enable the client to successfully acquire a lease from a server? Which Dynamic Host Configuration Protocol (DHCP) option code is used
for specifying vendor specific options? Which Dynamic Host Configuration Protocol (DHCP) address allocation method assigns reusable addresses to DHCP clients? Which best describes a Dynamic Host Configuration Protocol (DHCP) scope? What does Dynamic Host Configuration Protocol (DHCP) Overview and Objectives (DHCP) provide that Bootstrap Protocol (BOOTP) cannot? When can a Dynamic Host Configuration Protocol (DHCP) server reuse an address offered in a DHCPOFFER message How does dynamic address translation enhance network security? Which network address translation (NAT) address mapping technique maps internal IP addresses to a single, external
IP address? How does network address and port translation (NAPT) handle an IP packet's source and destination port and IP addresses? Which choice is the best solution for allowing externally initiated connections through a network address and port translation (NAPT) network address translation (NAT)
device? How does a network address translation (NAT) netmask work to map internal addresses to external addresses? What happens when a dynamic network address translation (NAT) device runs out of addresses to assign? How does network address
translation (NAT) help secure a private network from outside attacks? Which statement best describes network address translation (NAT) masquerading? Network address translation (NAT) IP address translation assigns external addresses to internal devices in which way? Which protocol works with Internet protocol version 6 (IPv6) Quality of Service (QoS) mechanisms to provide video and other real time data with reserved bandwidth across a data flow's path? How long is an Internet protocol version 6 (IPv6) address? Lesson 6: Routing TCP/IP Which statement is true concerning IP routing? On which network type is a static route best used? What type of network communication does not require a router's services? Which two of the following are advantages gained from using static routes? (Choose two.) In order to automatically build a routing table, which type of indirect routing must a router use? Which three choices are indirect routing types? (Choose
three.) Which routing type allows network administrators to implement route load balancing and fault tolerance? A router makes its packet forwarding decisions based on what information? In which two ways might using static routes provide additional network security over other routing options? (Choose two.) Considering the default Cisco router default administrative distances (AD), which of the following routes will a router consider more trustworthy than the others? Which type of network architecture allows routers to perform different tasks depending on their functional position within an area? Which router protocol type shares routing information within autonomous system (AS)? Which of
the following is another name for a distance vector algorithm (DVA)? Which of the following protocols do autonomous systems (AS) use to exchange routing information between themselves? Which two statements are true concerning distance vector algorithm (DVA) routing protocols? (Choose two.) Which routing type allows networks to recover from failed routes? Which three of the following are examples of dynamic routing protocol metrics? (Choose three.) Which two dynamic routing protocols create flat network topologies? (Choose two.) Which three
of the following are interior gateway protocol (IGP) examples? (Choose three.) Which of the following is the generic routing protocol type that routers use to communicate within an autonomous system (AS)? Which of the choices below is an example of an exterior gateway protocol (EGP)? Distance
vector algorithms (DVA) operate in which manner? Which routing information protocol (RIP) stability feature sets a route's hop count to 16, preventing further updates from setting an incorrect route to an unreachable network? How does routing information protocol (RIP) resolve the count-to-infinity problem? Which would cause a router to update a route entry still
in the holddown period set by a previously received update? You maintain an autonomous routing network that runs RIPv1 as its routing protocol. You calculate that at the workday's busy hours, routing changes occurring on the nearest router take 45 seconds to propagate to the furthest router. In the past, this slow convergence has resulted in routing loops. How might you configure your routers to avoid creating routing
loops when route changes occur within the network? Which three of the following are distance vector algorithm (DVA) stability features? (Choose three.) Concerning routing information protocol (RIP), what is meant by the statement "maximum diameter of 15 hops"? Which statement best describes split horizons? In which three of the following ways does RIPv2 differ from routing information protocol (RIP)? (Choose three.) By default, how frequently do routing information protocol (RIP) routers send out response messages to neighbor routers? IP
routing information protocol (RIP) uses which of the following metrics to make path decisions? How does RIPv2 authentication protect routing table information? Router 1, a routing information protocol (RIP) router in a two-router network, informs its neighbor, Router 2, of a route to the new, directly connected Network A. Router 2 updates its routing table accordingly. Almost immediately, Router 1's link to
Network A fails. Router 1 prepares its regular update for Router 2, excluding the Network A entry from the update message. While Router 1 is waiting for its update timer to expire, Router 2 sends its regular update message to Router 1. This update tells Router 1 that Router 2 has a new route to Network A, with a hop count of 1. This route is through Router 2 back to Router 1, although Router 1's link to Network A is still failed. Which RIP stability feature will prevent this problem? An Interior Gateway Routing Protocol (IGRP) interior route is which of the following? What type of routing table update message does Interior Gateway Routing Protocol (IGRP) send to quickly remove a route and place it in holddown? A classful routing protocol can pass which three types of information in its routing table update messages? (Choose three.) Which three choices are Interior Gateway Routing Protocol (IGRP) stability features? (Choose three.) In which instance could you use Interior Gateway Routing Protocol (IGRP) as a routing protocol? Which two of the following are default Interior Gateway Routing Protocol (IGRP) features? (Choose two.) Which metric does Interior Gateway Routing Protocol (IGRP) use on a network with only one medium, such as one running 16-Mbps Token Ring exclusively? Which two of the following are the interior gateway routing protocol (IGRP) default metrics? (Choose two.) What is the primary difference between active and passive destinations in an enhanced interior gateway routing protocol (EIGRP) topology table? Which of the following protocols scales better within a Cisco autonomous system? How does enhanced interior gateway routing protocol (EIGRP) avoid routing loops? Enhanced interior gateway routing protocol (EIGRP) was designed to replace or enhance which two previous routing protocols? (Choose two.) Which enhanced interior gateway routing protocol (EIGRP) routing table keeps a list of neighbors which are directly attached to one of the router's interfaces? In which instance could you use Enhanced Interior Gateway Routing protocol (EIGRP) as a routing protocol? Which two of the following result from using Open Shortest Path First (OSPF) routing areas? (Choose two.) An Open Shortest Path First (OSPF) autonomous system border router (ASBR) runs which two routing protocols? (Choose two.) Open Shortest Path First (OSPF) routers send which type of packet to locate their
neighbors? To reduce routing information traffic between adjacent networks, Open Shortest Path First (OSPF) networks elect which two devices? (Choose two.) Which statement best describes an Open Shortest Path First (OSPF) virtual link? In what ways does open shortest path first (OSPF) improve upon the limitations of distance vector algorithm
(DVA) protocols, such as routing information protocol (RIP)? (Choose three.) The broadcast packets used by link-state protocols to share routing information about neighbor routers are called what? Which statement best describes an Open Shortest Path First (OSPF) area border router (ABR)? What does each link-state router build to describe the cost to reach each destination network? In what three ways does Open Shortest Path First (OSPF) control network routing table update traffic? (Choose three.) In a link-state algorithm (LSA) shortest path first (SPF) tree, which three of the following are metrics the router uses to describe the cost to reach each destination network? (Choose three.) Which three of the following cost factors might least cost routing use to calculate a minimum-cost path for a packet? (Choose three.) Which advanced routing function allows for redundant paths between networks? Border gateway protocol (BGP), though an exterior gateway protocol (EGP), operates as which type of routing protocol? What message type
does border gateway protocol (BGP) send to test a connection's state? A router that an administrator designates to forward packets between autonomous systems (AS) is called what? Which statement correctly describes Class of Service (CoS) routing? Lesson 7: How TCP/IP Applications Work Which combined information triggers a transmission control protocol (TCP) or
user datagram protocol (UDP) application to respond to an information request? A web browser client sends a web page request message to a hypertext transfer protocol (HTTP) server. In which order will the server decapsulate the request message? If a hypertext transfer protocol (HTTP) client does not specify a document name in its HTTP request message,
what will the HTTP server return in response? How does a transmission control protocol (TCP) application acknowledge the last message's receipt? Before data can be sent between applications using transmission control protocol (TCP), which of the following must occur? What is the first step in most
client requests? Which best describes the Telnet single commands options Do (253) code? Which protocol reduces the number of client terminal protocols the remote host must support? The concept of a virtual terminal allows for which of the following? (Choose two.) How does the
Telnet network virtual terminal (NVT) support complex terminals? Which three of the following are advantages of remote terminal access (Telnet) over direct terminal-to-host access? (Choose three.) How does virtual terminal protocol (VTP) support remote terminal access? When do a Telnet terminal and remote host negotiate options? What is the Telnet character device responsible for displaying incoming data? Which best describes using a remote terminal versus direct access to a number of different hosts? Which best describes
Telnet's use of subnegotiations? Which Telnet single command option code tells the requestor that the remote will not perform the option? The Telnet default network virtual terminal (NVT) provides which fundamental characteristics? (Choose three.) Which three modes does file
transfer protocol (FTP) use to transfer data? (Choose three.) Which are the well know transmission control protocol (TCP) ports for file transfer protocol (FTP) server control and data? (Choose two.) Which application protocols does file transfer protocol (FTP) use on its command channel? Which is the file transfer protocol (FTP) command used to place files on an FTP server? Which three of the
following are file transfer protocol (FTP) objectives? (Choose three.) Which text file type is the file transfer protocol (FTP) default? A file transfer protocol (FTP) control port is used by an FTP server to perform which of the following? Which Simple Mail Transfer Protocol (SMTP) command designates that the message's text follows? Which
Simple Mail Transfer Protocol (SMTP) command identifies the sending host? The Simple Mail Transfer Protocol (SMTP) receiver accepts incoming email on which well known port? How does the receiver Simple Mail Transfer Protocol (SMTP) respond to the sender SMTP issued Data command? Which command does the sender Simple Mail Transfer Protocol (SMTP) issue to terminate the transmission control protocol (TCP) connection? Which
of the following statements concerning Simple Mail Transfer Protocol (SMTP) is correct? Which of the following are the three Simple Mail Transfer Protocol (SMTP) mail transfer phases? (Choose three.) Which Simple Mail Transfer Protocol (SMTP) command does the sender process use to identify separate recipient mailboxes? Which of the following services does
Simple Mail Transfer Protocol (SMTP) use? Simple Network Management Protocol (SNMP) structures management information base (MIB) information in which of the following trees? Which portion of the Simple Network Management Protocol (SNMP) architecture is responsible for implementing SNMP and exchanging messages between the management station and the managed elements? Simple Network Management Protocol
(SNMP) represents object syntax with a subset of which International Organization for Standardization (ISO) standard? Which three of the following are typical management agent components? (Choose three.) Which choice best describes a Simple Network Management Protocol (SNMP) proxy agent? Which protocol
data unit (PDU) type requests that the management agent return attribute values for a list of managed objects? Which three of the following are typical network manager components? (Choose three.) Which three of the following are H.323 gatekeeper functions? (Choose three.) Which of the
following are H.323 audio codecs? (Choose two.) Which protocols assist H.323 in controlling and monitoring connections? (Choose two.) Which two codecs support audio coding at 64 Kbps? (Choose two.) You wish to implement voice over Internet protocol (VoIP) services on your existing data network. Part of your plan is to allow telecommuters to call network users from their home public switched telephone network (PSTN) telephones.
Which H.323 device must you install in your existing data network to allow for these remote connections? Which Quality of Service (QoS( protocols could a network support to provide robust voice over Internet protocol (VoIP) services? (Choose two.) An H.323 multipoint control unit (MCU) provides which service on a converged network? Which services does Real-time Transport Protocol (RTP)
provide to add reliability to packet voice networks? (Choose three.) Which multimedia protocol specifies a multipoint conferencing transport? Which H.323 recommendation protocol handles registration, admission, and status (RAS)? Lesson 8: Troubleshooting a TCP/IP Network When troubleshooting, why is it important to recreate a problem? Which of the following commands shows the addresses configured on a Microsoft PC? Which of the following helps to determine local addressing information? Which TCP/IP tool allows you to display a workstation's network configuration values? You are troubleshooting a name resolution problem on your local network. You run two internal Domain Name System (DNS)
servers, and they resolve all local hostnames. Where would you look to verify that your Windows clients are configured to use the correct DNS servers? Typing ipconfig in the Windows command line interface (CLI) displays which three of the following pieces of client configuration information? (Choose three.) Which of the following echoes information back from an IP process? Which TCP/IP
troubleshooting tool is the fastest and easiest method to evaluate whether a host is available across a TCP/IP network? Which key combination will terminate a continuous Ping issued with the Ping -t option? Which two of the following might cause a ping across network boundaries to fail? (Choose two.) Which of the following troubleshooting tools tells how
many hops to the destination computer? To determine the path your IP packets take to reach a remote office router, you issue the tracert command from a local network host, targeted at the remote office router's outside interface. Previous tracert replies showed the router nine hops away, so you set the tracert command's maximum hops option to 10. You ping the remote router interface, 191.67.17.2, and it succeeds. You issue the command tracert -h 10 191.67.17.2, but the tracert
result does not list the router interface's IP address. Which might be a reason why this occurred? Which of the following commands shows the path between source and destination in a TCP/IP network? Tracert uses which of the following commands and IP fields to carry out its operation? How many Internet Control Message Protocol (ICMP) packets
does the tracert utility send per hop? Which command can we use in conjunction with the address resolution protocol (ARP) command to determine the hostname of a cached NetBIOSover-IP address? Which utility displays a host's current Network Basic Input/Output System (NetBIOS) over a TCP/IP connection? Which command uses Network Basic Input/Output System (NetBIOS) to display protocol statistics on a local host? You
are running an active browser session with your employer's Human Resources intranet web server. You issue the netstat command from your local workstation's command prompt. The resulting screen shows several connections to the web server, each using a separate transmission control protocol (TCP) port. Why does your client workstation have multiple active port connections open to the same web server? Can the "arp" command be used to determine your own media access control (MAC) address? Which address resolution protocol (ARP) command option shows the contents of the local ARP cache? How would we verify that TCP/IP is working on the local host? How can we verify that name resolution is working correctly? Which are TCP/IP network
troubleshooting tools? (Choose three.) Which TCP/IP client/server service would allow an administrator to quickly reconfigure host configuration information? Which ping tests would indicate that TCP/IP is working correctly on a network segment? (Choose three) Which troubleshooting
step is likely to require the most time? When troubleshooting a network, we begin by performing which of the following? When troubleshooting a problem crossing network responsibilities, why is it best to start with the local network and work out? (Choose three.) Lesson 10- Review of Local Area Network Fundamentals A hub may be used to provide connectivity in both a star and star ring network. True or False? What type of device is used with unshielded twisted-pair (UTP) cable to create a star network configuration? A group of computers in the south side of a city are connected to another group of computers downtown. This would be
considered what type of network? Which of the following best describes a metropolitan area network (MAN)? A group of computers are connected in a multistory building. This would be considered what type of network? An organization may use more than one type of topology in a single network. True or False? Which
of the following best describes a local area network (LAN)? Which communication process typically is the least intelligent? Which of the following best describes the function of a media access control (MAC) layer address? What three addresses are needed to move data from one application to another across a network? In a client/server arrangement, where are requests normally generated? What types of processes are located on two computers that perform approximately the same services? A peer-to-peer network is a practical solution in which of the following applications? (Choose two.) Which of the following is the lowest layer? What is the primary purpose of a Network Layer protocol? What is the primary purpose of a Physical Layer protocol? Which of the choices below is a Transport Layer protocol? What is the primary purpose of a Transport Layer protocol? If
segmentation occurs on the sending node, what must occur on the receiving node? What is the primary purpose of a Data Link Layer protocol? Encapsulation means that each layer on the sending node does which of the following? Which of the following layers is only concerned with the physical signals that represent data bits? Lesson 11- Ethernet Local Area Networks Which of the following statements are true concerning Ethernet networks? (Choose two.) According to the Ethernet 5/4/3 rule, how many 10Base2 segments may have nodes attached? What is the most widely installed local area network (LAN) technology? What is the primary reason an Ethernet
network interface card (NIC) transmits a jamming message? What is the preamble used for? What is the purpose of the frame check sequence (FCS) field? (Choose two) What does an Ethernet frame addressed with a "1" as the first bit of destination media access control (MAC) address do? Where are Ethernet frames processed? The network interface card (NIC) in an Ethernet node receives from the Internet protocol (IP) a packet 12 bytes long. What must the NIC do in order to prepare the packet for
transmission across the physical network? What layer of software is normally loaded on the network interface card (NIC)? Which Ethernet frame format includes a length field in the media access control (MAC) header? How is Fast Ethernet similar to standard Ethernet? What is the
maximum cable length for 100BaseTx Ethernet? What is the difference between the frame formats of 10 Mbps Ethernet and 100 Mbps Ethernet? Which of the following is NOT a Gigabit Ethernet Physical Layer function? Gigabit Ethernet uses a different frame format than 10 Mbps Ethernet and Fast Ethernet. True or
False? Which of the statements below is incorrect when comparing Gigabit Ethernet to Fast Ethernet technology? Which of the following is NOT a Gigabit Ethernet fiber cabling specification? Which of the following is a Gigabit Ethernet specification for copper cable? Which 10GbE interfaces operate over multimode fiber (MMF) cabling? (Choose two.) Which
statement is true concerning 10 Gigabit Ethernet (10GbE) Multi-Source Agreements (MSA)? Which interfaces are NOT considered parts of the IEEE 802.3ae standard? What is the maximum length of a 10GbE segment through single-mode fiber (SMF) cable? Which of the following statements is incorrect regarding Ethernet? The IEEE 10GBaseT networks operate over which type of cabling? Which statement best describes 10 Gigabit Ethernet (10GbE)? With what SONET standard is 10GbE compatible? What is the advantage of a switch over a standard hub? (choose two) You are shopping for a new Ethernet switch. You want maximum switch throughput, but also want to avoid passing frames damaged by collisions. Which type of switch should you choose? What is the difference between a switch and a hub? How are store-and-forward switches different than cut-through switches? Why would you replace a hub with a switch? Which Layer 2 switch type reads the first 64-bytes of a frame and then forwards it to the destination interface? Which capability is NOT provided by Layer 3 switching. How does a Layer 2 switch differ from a Layer 3 switch? How does a Layer 3 switch differ from a router? Which protocol is used to route traffic between autonomous systems?An Exterior Gateway Protocol (EGP) is a routing protocol that handles routing between Autonomous Systems (inter-AS routing).
Which protocol is used on the Internet for communication between autonomous systems?Border Gateway Protocol (BGP) is a standardized exterior gateway protocol designed to exchange routing and reachability information among autonomous systems (AS) on the Internet.
What are the 3 types of routing protocols?Routing Information Protocol (RIP) Interior Gateway Protocol (IGRP) Open Shortest Path First (OSPF)
What is autonomous system in OSPF?For the OSPF protocol, an autonomous system (AS) is a collection of IP networks that are under a common administration, sharing a common routing strategy, and running only one routing protocol. The routers and links that make up the AS are in logical groups called areas.
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Which of the following is the generic routing protocol type that routers use to communicate within an autonomous system as )?
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