Novell 050-649 TCP IP for Networking Professionals http://killexams.com/exam-detail/050-649
I. RECV (Receive) J. RETR (Retrieve) Answer: Pending, Please email feedback to support@hotcerts.com QUESTION: 148 The protocols of the TCP/IP suite operate above which layer of the OSI model? A. Network B. Session C. Internet D. Data Link E. Transport F. Host-to-Host Answer: D QUESTION: 149 Which TCP/IP protocol defines the datagram as the unit of information transmitted between sources and destinations? A. IP B. TCP C. IRC D. UDP E. FTP F. TELNET Answer: A QUESTION: 150 Your organization uses the IP address 156.10.0.0. Your current requirements are 10 subnets, each supporting 600 hosts. You anticipate needing to grow to 40 subnets, with each continuing to support 600 hosts. Based on these current and future needs, which subnet mask should you use? A. 255.255.192.0 B. 255.255.224.0 C. 255.255.240.0 51
D. 255.255.248.0 E. 255.255.252.0 F. 255.255.254.0 G. 255.255.255.0 Answer: E QUESTION: 151 What are benefits of subnetting a network? (Choose 2.) A. Reduces packet routing B. Reduces the scope of network problems C. Reduces the impact of network broadcasts D. Increases the number of hosts on a network E. Reduces the number of broadcasts a host generates Answer: B, C QUESTION: 152 Which command-line UNIX tool should you use to monitor network traffic? A. WHOIS B. TCPDUMP C. ARPWATCH D. TRACEROUTE Answer: B QUESTION: 153 Which OSPF router receives the designated router (DR) status? A. The router with the highest priority B. The router at the autonomous system border C. The router with the shortest hello interval D. The router that first reaches two-way state E. The router that first reaches full neighbor state Answer: A 52
QUESTION: 154 What is the purpose of the IGMP protocol? A. To multiplex signals on a transmission channel B. To transfer electronic mail messages between hosts C. To monitor hosts that belong to a network broadcast group D. To send datagram problems back to the host that sent the datagram E. To communicate multicast group membership information with local routers F. To specify how mail systems in a network group interact and exchange messages Answer: E QUESTION: 155 Which firewall consists of a host system with two network interfaces with routing disabled? A. Bastion host B. Screened host C. Tri-homed host D. Dual-homed host E. Screened subnet Answer: D QUESTION: 156 You are interested in selecting a routing protocol that supports supernetting and authentication. Which protocols meet these requirements? (Choose 2.) A. RIP B. EGP C. OSPF D. RIPv2 E. Static protocol Answer: C, D QUESTION: 157 Perform the drag-and-drop task. Begin by clicking the Drag-and-Drop button. When you 53
finish, continue to the next question by clicking the Next button. The graphic shows characteristics of the IPv4 and IPv6 headers. Match each characteristic with the correct header type by dragging the header type to the correct location. Answer: QUESTION: 158 Assuming addresses of all zeros and all ones are not used, how many hosts are allowed on a class C IP network that uses supernetting and a subnet mask of 255.255.252.0? Answer: 1022 QUESTION: 159 What must occur prior to a TCP communication taking place? 54
A. A connection must be established. B. The data packets must be ordered. C. A route for the data must be chosen. D. Duplicate packets must be eliminated. E. The destination's physical address must be known by the source machine. Answer: A QUESTION: 160 Which services does UDP add to existing IP functionality? (Choose 2.) A. Flow control B. Data checksums C. Packet reassembly D. Reliable datagram delivery E. Multiplexing by port number Answer: B, E 55
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