Day 17 Back to Exams Page 1. You have to create an ACL to block SNMP. Which ports do you block? (choose all which apply)160162163161164Question 1 of 18 2. There is an implicit 'permit all' at the end of every ACL which is why you need to add a 'deny all' statement.TrueFalseQuestion 2 of 18 3. You need to prevent an IP address from being used by your devices. Which command will prevent this?ip dhcp excluded-address 192.168.1.1dhcp excluded-address 192.168.1.1ip dhcp exclude 192.168.1.1dhcp exclude address 192.168.1.1Question 3 of 18 4. You debug DNS with which command?debug domaindebug name-serverdebug namesdebug dnsQuestion 4 of 18 5. When the host first boots up, if it has been configured to use DHCP (which most hosts are), it will send a _____ message asking for IP information to be allocated.AnycastBroadcast UnicastMulticastQuestion 5 of 18 6. DNS mapsIP addresses to MAC addressesIP addresses to host namesMAC addresses to IP addresseshost names to IP addressesQuestion 6 of 18 7. Which command will designate a NAT inside interface?nat ip insidenat insideip natip nat insideQuestion 7 of 18 8. Which command will reveal if the interface is set to obtain an IP address via DHCP?show ip interface briefshow ip dhcpshow ip dhcp briefshow ip interface dhcpQuestion 8 of 18 9. The command to have a router get an interface IP address from the DHCP server is?Router(config-if)#ip address autoconfigRouter(config-if)#ip dhcpRouter(config-if)#ip address dhcp serverRouter(config-if)#ip address dhcpQuestion 9 of 18 10. DHCP states for clients include? (choose all that apply)InitialisingReleasingRequestingRenewingQuestion 10 of 18 11. You can apply ACLs to interfaces but not vty lines.TrueFalseQuestion 11 of 18 12. Your boss asks you what the 'established' keyword means at the end of the below ACL? access-list 102 permit tcp any host 172.30.1.1 eq ftp establishedThe [established] keyword tells the router to permit the traffic only if it was originated by hosts on the outside. The three-way handshake flags (CSK or RSK bit) will indicate this.The [established] keyword tells the router to permit the traffic from the inside of the network if it was NATed.The [established] keyword tells the router to permit the traffic only if it was originated by hosts on the inside. The three-way handshake flags (ACK or RST bit) will indicate this.The [established] keyword tells the router check the port against the ACL if it's applied to the inside of the network.Question 12 of 18 13. DHCP packet types include? (choose all that apply)DHCP RequestDHCP ExcludeDHCP OfferDHCP DiscoverQuestion 13 of 18 14. Which ACL line will permit EIGRP on your network?access-list 1 permit eigrp any any access-list 101 permit ip eigrp any any access-list 101 permit protocol 88 any any access-list 101 permit eigrp any any Question 14 of 18 15. If you want to permit your router to find a DNS server on the web, then use the command ______, or the relevant IP address of the server.ip name-server 1.1.1.1ip dns server 1.1.1.1ip name 1.1.1.1ip address server 1.1.1.1Question 15 of 18 16. You have to create an ACL to block TFTP. Which protocol port do you use? (choose two)TCP69ICMP8153UDPQuestion 16 of 18 17. Which command will remove ACL line 20? 30 permit 10.1.1.120 permit 192.168.1.115 permit 172.20.1.110 permit 172.16.1.1Router(config-std-nacl)#no line 20Router(config-std-nacl)#remove 20Router(config-std-nacl)#no 20Router(config-std-nacl)#20 removeQuestion 17 of 18 18. Which ACL line will permit network 10.1.0.0?Router(config)#access-group 1 permit 10.1.0.0 0.0.255.255Router(config)#access-list 1 permit 10.1.0.0 0.0.255.255Router(config)#access-list 1 permit 10.1.0.0 255.255.0.0Router(config)#access-list 100 permit 10.1.0.0 0.0.255.255Question 18 of 18 Loading...
