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CCNA
Microsoft Exchange Server
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Windows Server
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What are three benefits of integrated services digital network (ISDN)? A. PVCs are faster and more reliable. B. No specialized equipment is required. C. Data transfer is faster than typical modems. D. Call setup is faster than with standard telephone service. E. It carries many types of data traffic such as voice, video, and data..... What are two functions of ICMP protocol? A. To map IP addresses to Ethernet addresses. B. To map common names to network addresses. C. To forward SNMP alerts to management consoles..... Eight stations connected to separate 10Mbps ports on a layer 2 switch will give each station how many Mbps of bandwidth? A. 1.25 B. 4 C. 16 D. 10 E. 60.... Which two WAN data link layer protocols support multiple upper layer protocols? (Choose Two) A. PPP B. LAPD C. ISDN D. HDLC.... Which command enables directly connected network 199.55.72.0 to be used by RIP? A. Router(Config)# rip 199.55.0.0 B. Router(Config-router)# rip 199.55.72.0 C. Router(Config-router)# network 199.55.0.0..... How many valid host IP addresses are available on the following network/subnetwork? 176.12.44.16/30 A. 2 B. 30 C. 254 D. 16,382 E. 65,534...... Which command displays the IP addresses assigned to specific host names? A. Show hosts. B. Show interface. C. Ping host name. D. Config host name. E. Show host mapping. F. Show host name IP address. G. Trace IP addresses host name..... At which layer of the OSI model does the ping command operate? A. Session B. Network C. Transport..... What are 4 ways network management can be simplified by using the virtual LANs (VLANs)? A. VLANs allow you to implement multiple layers switching easily. B. VLAN can group several broadcasts domains into multiple logical subnets. C. It is no longer necessary to install cables to move a user from a new network to another. D. Network adds, moves and changes are achieved by configuring a port into a VLAN. E. A group of users needing high security can be put into a VLAN so that no users outside the VLANs can communicate with them. F. As a logical grouping of users, VLANs can be considered independent from their physical or geographic locations..... Which encapsulation type should be used for the S0 port of Router R2? A. SAP B. HDLC C. ARP D. NOVELLETHER..... Which network mask should you place on a class C address to accommodate a user requirement of two sub networks with a maximum of 35 hosts on each network? A. 255.255.255.192 B. 255.255.255.224 C. 255.255.255.240 D. 255.255.255.248.... What are two purposes of segmenting a network with a bridge? A. To reduce collisions. B. To increase collisions. C. To add collision domains..... A network is very congested. Currently all the devices are connected through a hub. Which solution would best decrease congestion on the network? A. Add a second hub. B. Replace the hub with a router. C. Replace the hub with a switch. D. Replace the hub with a repeater...... What is the distance limitation for 100BaseT? A. 607 ft B. 25 meters C. 1000 ft D. 100 meters E. 185 meters.... Which command sets the clock rate to 56 Kbps on serial0? A. Clockrate 56 B. Clock rate 56 C. Clockrate 56000.... Which command specifies a second subinterface on serial interface zero? A. Interface s 0.2 point - to point. B. Interface 2 s 0 point to point. C. Sub interface 2 s 0 point to point. D. Interface 0 sub 2 point to point. E. Interface s 0.1 point to point sub 2...... Which three tasks are required to configure a dial on demand routing (DDR) Basic Rate Interface (BRI) connection? A. Define static routes. B. Configure the dialer information. C. Specify interesting traffic that can enable the link. D. Define DDR password to exchange when the link comes up...... Using the TCP/IP suite a message is sent from host A to a destination IP address on the same LAN. How does host A determine the destinations MAC address? A. It uses a Proxy ARP. B. It uses ARP requests. C. It uses RARP requests. D. It uses router look up table..... Which three statements about common elements of the TCP/IP protocol stack are true? A. IP provides connection less service and routing capabilities. B. ARP enables devices to locate the IP address of local devices. C. UDP provides simple connection less service without windowing or acknowledgements. D. ICMP provides connection oriented management data to routers and layer three switches...... Which statement about an IP network is true? A. A broadcast source MAC contains all zeros. B. A MAC address is part of the physical layer of the OSI model. C. MAC addresses are used by bridges to make forwarding decisions: IP addresses are used by routers. D. IP addresses are now a flat addressing scheme: MAC addresses use a hierarchical addressing scheme..... Which statement about the Committed Information Rate (CIR) is true? A. It is the rate, in bits per second, at which the Frame Relay switch agrees to transfer data B. It is the clock speed (port speed) of the connection (local loop) to the Frame Relay cloud C. It is the maximum number of bits that the switch can transfer during any Committed Rate Measurement Interval..... In which three situations is a hold-down timer reset? A. When the hold-down timer expires. B. When infinity is finally defined as some maximum number. C. When the router exchanges update summaries at area borders. D. When the router detect faulty LSPs propagating through the internetwork. E. When another update is received indicating a new route with a better metric. F. When another update is received indicating the original route to the network has been restored. G. When the router receives a processing task proportional to the number of links in the internetwork...... |