问题:单选题Which parameters must you select when configuring operating system probes SCREEN options?()A syn-fin, syn-flood, and tcp-no-fragB syn-fin, port-scan, and tcp-no-flagC syn-fin, fin-no-ack, and tcp-no-fragD syn-fin, syn-ack-ack-proxy, and tcp-no-frag
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问题:单选题Click the Exhibit button. Based on the exhibit, client PC 192.168.10.10 cannot ping 1.1.1.2. Which is a potential cause for this problem?()AThe untrust zone does not have a management policy configured.BThe trust zone does not have ping enabled as host-inbound-traffic service.CThe security policy from the trust zone to the untrust zone does not permit ping.DNo security policy exists for the ICMP reply packet from the untrust zone to the trust zone.
问题:单选题Which statement is true about interface-based static NAT? ()A It also supports PAT.B It requires you to configure address entries in the junos-nat zone.C It requires you to configure address entries in the junos-global zone.D The IP addresses being translated must be in the same subnet as the incoming interface.
问题:单选题A traditional router is better suited than a firewall device for which function? ()A VPN establishmentB packet-based forwardingC stateful packet processingD network address translation
问题:多选题Which three security concerns can be addressed by a tunnel mode IPSec VPN secured by AH?()(Choose three.)Adata integrityBdata confidentialityCdata authenticationDouter IP header confidentialityEouter IP header authentication
问题:多选题Which two statements regarding asymmetric key encryption are true?() (Choose two.)AThe same key is used for encryption and decryption.BIt is commonly used to create digital certificate signatures.CIt uses two keys: one for encryption and a different key for decryption.DAn attacker can decrypt data if the attacker captures the key used for encryption.
问题:单选题Click the Exhibit button. In the exhibit, what is the purpose of this OSPF configuration?()AThe router sends the file debugOSPF (containing hellos sent and LSA updates) to the syslog server.BThe router traces both OSPF hellos sent and LSA updates, and stores the results in the debugOSPFfile.CThe router traces both OSPF hellos sent and LSA updates, and sends the results to the syslog process with the debugOSPF facility.DThe 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.
问题:单选题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?()A IP address 10.10.10.1 and TCP port 8080B IP address 71.33.252.17 and TCP port 80C IP address 71.33.251.19 and TCP port 80D IP address 71.33.252.19 and TCP port 8080
问题:单选题Click the Exhibit button. In the exhibit, which statement is correct? ()AThree physical interfaces are redundant.BYou must define an additional Redundancy Group.Cnode 0 will immediately become primary in the cluster.DYou must issue an operational command and reboot the system for the above configuration to take effect.
问题:单选题Host A opens a Telnet connection to Host B. Host A then opens another Telnet connection to Host B. These connections are the only communication between Host A and Host B. The security policy configuration permits both connections. How many flows exist between Host A and Host B? ()A 1B 2C 3D 4
问题:多选题Users can define policy to control traffic flow between which two components? ()(Choose two.)Afrom a zone to the router itselfBfrom a zone to the same zoneCfrom a zone to a different zoneDfrom one interface to another interface
问题:单选题A route-based VPN is required for which scenario? ()A when the remote VPN peer is behind a NAT deviceB when multiple networks need to be reached across the tunnelC when the remote VPN peer is a dialup or remote access clientD when a dynamic routing protocol such as OSPF is required across the VPN
问题:单选题Using a policy with the policy-rematch flag enabled, what happens to the existing and new sessionswhen you change the policy action from permit to deny? ()A The new sessions matching the policy are denied. The existing sessions are dropped.B The new sessions matching the policy are denied. The existing sessions, not being allowed to carry any traffic, simply timeout.C The new sessions matching the policy might be allowed through if they match another policy. The existing sessions are dropped.D The new sessions matching the policy are denied. The existing sessions continue until they are completed or their timeout is reached.
问题:单选题Click the Exhibit button. Which type of source NAT is configured in the exhibit?()Astatic source poolBinterface source poolCsource pool with PATDsouce pool without PAT
问题:单选题Based on the configuration shown in the exhibit, what will happen to the traffic matching the security policy?()AThe traffic is permitted through the myTunnel IPSec tunnel only on Tuesdays.BThe traffic is permitted through the myTunnel IPSec tunnel daily, with the exception of Mondays.CThe traffic is permitted through the myTunnel IPSec tunnel all day on Mondays, Wednesdays between 7:00 am and 6:00 pm, and Thursdays between 7:00 am and 6:00 pm.DThe traffic is permitted through the myTunnel IPSec tunnel all day on Mondays, Wednesdays between 6:01 pm and 6:59 am, and Thursdays between 6:01 pm and 6:59 am.
问题:单选题You are not able to telnet to the interface IP of your JUNOS software with enhanced services devicefrom a PC on the same subnet. What is causing the problem? ()A Telnet is not being permitted by self policy.B Telnet is not being permitted by security policy.C Telnet is not allowed because it is not considered secure.D Telnet is not enabled as a host-inbound service on the zone.