【正文】 the work A. 510 B. 1022 C. 1024 D. 2048 QUESTION 225 Where does routing occur within the DoD TCP/IP reference model? A. application B. inter C. work D. transport Which VTP mode is capable of creating only local VLANs and does not synchronize with other switches in the VTP domain? A. client B. dynamic C. server D. static E. transparent QUESTION 227 Which switch would STP choose to bee the root bridge in the selection process? A. 32768: 112233445566 B. 32768: 223344556677 C. 32769: 112233445565 D. 32769: 223344556678 QUESTION 228 A switch is configured with all ports assigned to vlan 2 with full duplex FastEther to segment existing departmental traffic. What is the effect of adding switch ports to a new VLAN on the switch? A. More collision domains will be created. B. IP address utilization will be more efficient. C. More bandwidth will be required than was needed previously. D. An additional broadcast domain will be created. QUESTION 229 Which two statements about the use of VLANs to segment a work are true? (Choose two.) A. VLANs increase the size of collision domains. B. VLANs allow logical grouping of users by function. C. VLANs simplify switch administration. D. VLANs enhance work security. QUESTION 230 On corporate work, hosts on the same VLAN can municate with each other, but they are unable to municate with hosts on different VLANs. What is needed to allow munication between the VLANs? A. a router with subinterfaces configured on the physical interface that is connected to the switch B. a router with an IP address on the physical interface connected to the switch C. a switch with an access link that is configured between the switches D. a switch with a trunk link that is configured between the switches QUESTION 231 When a DHCP server is configured, which two IP addresses should never be assignable to hosts? (Choose two.) A. work or subwork IP address B. broadcast address on the work C. IP address leased to the LAN D. IP address used by the interfaces E. manually assigned address to the clients F. designated IP address to the DHCP server QUESTION 232 Which statement describes the process of dynamically assigning IP addresses by the DHCP server? A. Addresses are allocated after a negotiation between the server and the host to determine the length of the agreement. B. Addresses are permanently assigned so that the hosts uses the same address at all times. C. Addresses are assigned for a fixed period of time, at the end of the period, a new request for an address must be made. D. Addresses are leased to hosts, which periodically contact the DHCP server to renew the lease. QUESTION 233 Which work protocol does DNS use? A. FTP B. TFTP C. TCP D. UDP E. SCP Answer: D Explanation/Reference: 此題答案并不嚴(yán)格 ,嚴(yán)格講 DNS有兩個(gè)端口號(hào)一個(gè)為 TCP一個(gè)為 UDP并且端口號(hào)都為 53 DNS解析用 UDP 效率高但不能保證完整性 DNS服務(wù)器之間同步使用 TCP保證數(shù)據(jù)正確 QUESTION 234 When two hosts are trying to municate across a work, how does the host originating the munication determine the hardware address of the host that it wants to talk to? A. RARP request B. Show Network Address request C. Proxy ARP request D. ARP request E. Show Hardware Address request QUESTION 235 Host 1 is trying to municate with Host 2. The e0 interface on Router C is down. Which of the following are true? (Choose two.) CCNA考試報(bào)名 1700元 107 艾迪飛論壇 艾迪飛論壇 Router C will use ICMP to inform Host 1 that Host 2 cannot be reached. B. Router C will use ICMP to inform Router B that Host 2 cannot be reached. C. Router C will use ICMP to inform Host 1, Router A, and Router B that Host 2 cannot be reached. D. Router C will send a Destination Unreachable message type. E. Router C will send a Router Selection message type. F. Router C will send a Source Quench message type QUESTION 236 To configure the VLAN trunking protocol to municate VLAN information between two switches, what two requirements must be met? (Choose two.) A. Each end of the trunk line must be set to IEEE encapsulation. B. The VTP management domain name of both switches must be set the same. C. All ports on both the switches must be set as access ports. D. One of the two switches must be configured as a VTP server. E. A rollover cable is required to connect the two switches together. F. A router must be used to forward VTP traffic between VLANs. QUESTION 237 Which of the following describe the process identifier that is used to run OSPF on a router? (Choose two.) A. It is locally significant. B. It is globally significant. C. It is needed to identify a unique instance of an OSPF database. D. It is an optional parameter required only if multiple OSPF processes are running on the router. E. All routers in the same OSPF area must have the same process ID if they are to exchange routing information. QUESTION 238 What functions do routers perform in a work? (Choose two.) A. packet switching B. access layer security C. path selection D. VLAN membership assignment E. bridging between LAN segments F. microsegmentation of broadcast domains QUESTION 239 Which series of mands will configure router R1 for LANtoLAN munication with router R2? The enterprise work address is (Choose three.) A. R1(config) interface ether 0 R1(configif) ip address R1(configif) no shutdown B. R1(config) interface ether 0 R1(configif) ip address R1(configif) no shutdown C. R1(config) interface serial 0 R1(configif) ip address R1(configif) clock rate 56000 D. R1(config) interface serial 0 R1(configif) ip address R1(configif) no shutdown CCNA考試報(bào)名 1700元 109 艾迪飛論壇 艾迪飛論壇 R1(config) router rip R1(configrouter) work R1(configrouter) work F. R1(config) router