单项选择题
A. The router sends the file debugOSPF (containing hellos sent and LSA updates) to the syslog server.
B. The router traces both OSPF hellos sent and LSA updates, and stores the results in the debugOSPFfile.
C. The router traces both OSPF hellos sent and LSA updates, and sends the results to the syslog process with the debugOSPF facility.
D. The router traces all OSPF operations, stores the results in the debugOSPF file, and marks both hellos sent and LSAupdates in the file with a special flag.
单项选择题 Interface ge-0/0/2.0 of your router is attached to the Internet and is configured with an IP address and network mask of 71.33.252.17/24. A host with IP address 10.20.20.1 is running an HTTP service on TCP port 8080. This host isattached to the ge-0/0/0.0 interface of your router. You must use interface-based static NAT to make the HTTP service on the host reachable from the Internet. On which IP address and TCP port can Internet hosts reach the HTTP service?（）
多项选择题 Which three security concerns can be addressed by a tunnel mode IPSec VPN secured by AH?（）(Choose three.)
多项选择题 Users can define policy to control traffic flow between which two components? （）(Choose two.)
