Juniper JN0-696 Exam Practice Questions (P. 4)

-- Exhibit --
user@host> show security flow session interface ge-0/0/10.0
Session ID. 29, Policy name: to-infrastructure/4, Timeout: 1250, Valid
Resource information : FTP ALG, 1, 0
In: 10.1.1.213/61892 --> 10.2.2.20/21;tcp, If: ge-0/0/8.0, Pkts: 25, Bytes: 1242
Out: 10.2.2.20/21 --> 10.1.1.213/61892;tcp, If: ge-0/0/10.0, Pkts: 18, Bytes: 1278

Total sessions: 1 -
user@host> show interfaces ge-0/0/10 | match zone

Security: Zone: infrastructure -
user@host> show interfaces ge-0/0/8 | match zone

Security: Zone: finance -
user@host> show configuration security policies from-zone infrastructure to-zone finance user@host> show log flow-traceoptions
Jun 13 14:44:01 14:44:01.059151:CID-0:RT:SPU received an event,type 112, common:3
Jun 13 14:44:01 14:44:01.059151:CID-0:RT:Rcv packet with rtbl idx 0, cos 0
Jun 13 14:44:01 14:44:01.059151:CID-0:RT:SPU processing spu_flushed_pak, flag: 0x2, mbuf:0x423f6100
Jun 13 14:44:01 14:44:01.060343:CID-0:RT:10.2.2.20/20->10.1.1.213/64313;6> matched filter filter2:
Jun 13 14:44:01 14:44:01.060473:CID-0:RT:packet [64] ipid = 1614, @423fd19c
Jun 13 14:44:01 14:44:01.060473:CID-0:RT:---- flow_process_pkt: (thd 3): flow_ctxt type 15, common flag 0x0, mbuf 0x423fcf80, rtbl_idx = 0
Jun 13 14:44:01 14:44:01.060473:CID-0:RT: flow process pak fast ifl 71 in_ifp ge-0/0/10.0
Jun 13 14:44:01 14:44:01.060473:CID-0:RT: ge-0/0/10.0:10.2.2.20/20->10.1.1.213/64313, tcp, flag 2 syn
Jun 13 14:44:01 14:44:01.060473:CID-0:RT: find flow: table 0x49175b08, hash 34391(0xffff), sa 10.2.2.20, da 10.1.1.213, sp 20, dp 64313, proto 6, tok 8
Jun 13 14:44:01 14:44:01.060473:CID-0:RT: no session found, start first path. in_tunnel - 0, from_cp_flag - 0
Jun 13 14:44:01 14:44:01.060473:CID-0:RT: flow_first_create_session
Jun 13 14:44:01 14:44:01.060473:CID-0:RT:-jsf : preset sess plugin info for session 31
Jun 13 14:44:01 14:44:01.060473:CID-0:RT: Allocating plugin info block for plugin(21)
Jun 13 14:44:01 14:44:01.060473:CID-0:RT:[JSF] set ext handle 0x46389be8 for plugin 21 on session 31
Jun 13 14:44:01 14:44:01.060473:CID-0:RT:asl_usp_get_l3_out_ifp_out_tunnel ASL IPV4 out_ifp = ge-0/0/8.0 for dst:10.1.1.213 in vr_id:0
Jun 13 14:44:01 14:44:01.060473:CID-0:RT:SPU invalid session id 00000000
Jun 13 14:44:01 14:44:01.060473:CID-0:RT: jsf drop pak pid 21, jbuf 0x4fcd7038, release hold 0, sess_id 0
Jun 13 14:44:01 14:44:01.060761:CID-0:RT: After jsf gate hit. sid 0xfb39, pid 0, cookie 0x1f, jbuf 0x15. rc = 1
Jun 13 14:44:01 14:44:01.060761:CID-0:RT:RM populated xlate info for nsp2: 10.1.1.213/64313->10.2.2.20/20out_ifp = ge-0/0/8.0, out_tunnel = 0x0
Jun 13 14:44:01 14:44:01.060761:CID-0:RT: flow_first_in_dst_nat: in 0/10.0>, out 0/8.0> dst_adr 10.1.1.213, sp 20, dp 64313
Jun 13 14:44:01 14:44:01.060761:CID-0:RT: flow_first_in_dst_nat: bypassed by RM
Jun 13 14:44:01 14:44:01.060761:CID-0:RT: flow_first_rule_dst_xlate: bypassed by RM
Jun 13 14:44:01 14:44:01.060761:CID-0:RT: flow_first_routing: bypassed by RM
Jun 13 14:44:01 14:44:01.060761:CID-0:RT: flow_first_policy_search: bypassed by RM
Jun 13 14:44:01 14:44:01.060761:CID-0:RT: flow_first_reverse_mip: bypassed by RM
Jun 13 14:44:01 14:44:01.060761:CID-0:RT: flow_first_src_xlate: bypassed by RM
Jun 13 14:44:01 14:44:01.060761:CID-0:RT: flow_first_get_out_ifp: bypassed by RM
Jun 13 14:44:01 14:44:01.060761:CID-0:RT:is_loop_pak: No loop: on ifp: ge-0/0/8.0, addr: 10.1.1.213, rtt_idx:0
Jun 13 14:44:01 14:44:01.060761:CID-0:RT:[JSF]Normal interest check. regd plugins 18, enabled impl mask 0x0
Jun 13 14:44:01 14:44:01.060761:CID-0:RT:-jsf int check: plugin id 2, svc_req 0x0, impl mask 0x0. rc 4
Jun 13 14:44:01 14:44:01.060761:CID-0:RT:-jsf int check: plugin id 3, svc_req 0x0, impl mask 0x0. rc 4
Jun 13 14:44:01 14:44:01.060761:CID-0:RT:-jsf int check: plugin id 5, svc_req 0x0, impl mask 0x0. rc 4
Jun 13 14:44:01 14:44:01.060761:CID-0:RT:-jsf int check: plugin id 6, svc_req 0x0, impl mask 0x0. rc 4
Jun 13 14:44:01 14:44:01.060975:CID-0:RT:-jsf int check: plugin id 7, svc_req 0x0, impl mask 0x0. rc 4
Jun 13 14:44:01 14:44:01.060975:CID-0:RT:-jsf int check: plugin id 8, svc_req 0x0, impl mask 0x0. rc 4
Jun 13 14:44:01 14:44:01.060975:CID-0:RT:-jsf int check: plugin id 14, svc_req 0x0, impl mask 0x0. rc 4
Jun 13 14:44:01 14:44:01.060975:CID-0:RT:+++++++++++jsf_test_plugin_data_evh: 3
Jun 13 14:44:01 14:44:01.060975:CID-0:RT:-jsf int check: plugin id 15, svc_req 0x0, impl mask 0x0. rc 4
Jun 13 14:44:01 14:44:01.060975:CID-0:RT:-jsf int check: plugin id 21, svc_req 0x0, impl mask 0x0. rc 3
Jun 13 14:44:01 14:44:01.060975:CID-0:RT:-jsf int check: plugin id 22, svc_req 0x0, impl mask 0x0. rc 4
Jun 13 14:44:01 14:44:01.060975:CID-0:RT:-jsf int check: plugin id 25, svc_req 0x0, impl mask 0x0. rc 4
Jun 13 14:44:01 14:44:01.060975:CID-0:RT:-jsf int check: plugin id 26, svc_req 0x0, impl mask 0x0. rc 2
Jun 13 14:44:01 14:44:01.060975:CID-0:RT:-jsf int check: plugin id 27, svc_req 0x0, impl mask 0x0. rc 4
Jun 13 14:44:01 14:44:01.060975:CID-0:RT:[JSF]Plugins(0x0, count 0) enabled for session = 4294967296, impli mask(0x0), post_nat cnt 31 svc req(0x0)
Jun 13 14:44:01 14:44:01.060975:CID-0:RT:[JSF]c2s order list:
Jun 13 14:44:01 14:44:01.060975:CID-0:RT: 21
Jun 13 14:44:01 14:44:01.060975:CID-0:RT:[JSF]s2c order list:
Jun 13 14:44:01 14:44:01.060975:CID-0:RT: 21
Jun 13 14:44:01 14:44:01.060975:CID-0:RT: service lookup identified service 79.
Jun 13 14:44:01 14:44:01.060975:CID-0:RT: flow_first_final_check: in 0/10.0>, out 0/8.0>
Jun 13 14:44:01 14:44:01.060975:CID-0:RT:flow_first_complete_session, pak_ptr: 0x48ae5ba0, nsp: 0x4c38e248, in_tunnel: 0x0
Jun 13 14:44:01 14:44:01.060975:CID-0:RT:construct v4 vector for nsp2
Jun 13 14:44:01 14:44:01.060975:CID-0:RT: existing vector list 82-454e5c90.
Jun 13 14:44:01 14:44:01.060975:CID-0:RT: Session (id:31) created for first pak 82
Jun 13 14:44:01 14:44:01.060975:CID-0:RT: flow_first_install_session======> 0x4c38e248
Jun 13 14:44:01 14:44:01.060975:CID-0:RT: nsp 0x4c38e248, nsp2 0x4c38e2c8
Jun 13 14:44:01 14:44:01.060975:CID-0:RT: make_nsp_ready_no_resolve()
Jun 13 14:44:01 14:44:01.060975:CID-0:RT: route lookup: dest-ip 10.2.2.20 orig ifp ge-0/0/10.0 output_ifp ge-0/0/10.0 orig-zone 8 out-zone 8 vsd 0
Jun 13 14:44:01 14:44:01.060975:CID-0:RT: route to 10.2.2.20
Jun 13 14:44:01 14:44:01.060975:CID-0:RT:Doing jsf sess create notify
Jun 13 14:44:01 14:44:01.060975:CID-0:RT:flow_delete_gate: invoked for gate 0x4c077c24 [id 1000003]
Jun 13 14:44:01 14:44:01.060975:CID-0:RT:gate_start_ageout: ageout started for gate 0x4c077c24
Jun 13 14:44:01 14:44:01.060975:CID-0:RT: jsf sess id ignore. sess 31, pid 21, dir 1, st_buf 0x0.
Jun 13 14:44:01 14:44:01.060975:CID-0:RT: jsf sess id ignore. sess 31, pid 21, dir 2, st_buf 0x0.
Jun 13 14:44:01 14:44:01.060975:CID-0:RT:All plugins have ignored session :31
Jun 13 14:44:01 14:44:01.060975:CID-0:RT: existing vector list 2-454ecbd0.
Jun 13 14:44:01 14:44:01.060975:CID-0:RT: existing vector list 2-454ecbd0.
Jun 13 14:44:01 14:44:01.060975:CID-0:RT:-jsf create notify: plugin id 21. rc 3
Jun 13 14:44:01 14:44:01.060975:CID-0:RT:flow_do_jsf_notify_session_creation(): natp(0x4c38e248): 0 SHORT_CIRCUITED. 0x00000000.
Jun 13 14:44:01 14:44:01.060975:CID-0:RT:no need update ha
Jun 13 14:44:01 14:44:01.060975:CID-0:RT:Installing c2s NP session wing
Jun 13 14:44:01 14:44:01.060975:CID-0:RT:Installing s2c NP session wing
Jun 13 14:44:01 14:44:01.061475:CID-0:RT: flow got session.
Jun 13 14:44:01 14:44:01.061475:CID-0:RT: flow session id 31
Jun 13 14:44:01 14:44:01.061475:CID-0:RT: vector bits 0x2 vector 0x454ecbd0
Jun 13 14:44:01 14:44:01.061475:CID-0:RT: tcp flags 0x2, flag 0x2
Jun 13 14:44:01 14:44:01.061475:CID-0:RT: Got syn, 10.2.2.20(20)->10.1.1.213(64313), nspflag 0x1021, 0x20
Jun 13 14:44:01 14:44:01.061475:CID-0:RT:mbuf 0x423fcf80, exit nh 0xa0010
Jun 13 14:44:01 14:44:01.061475:CID-0:RT: ----- flow_process_pkt rc 0x0 (fp rc 0)
-- Exhibit --
Click the Exhibit button.
While troubleshooting a device, you see that it is permitting packets for which it appears there is no policy.
Using the information in the exhibit, what is causing this behavior?

-- Exhibit --
user@host> show configuration security policies from-zone engineering to-zone hr policy new-policy { match { source-address any; destination-address server1; application hr-data-feed;
}
then {
permit;
}
}
policy old-policy {
match {
source-address pc1;
destination-address server1;
application any;
}
then {
deny;
log {
session-init;
}
}
}
user@host> show configuration security policies global
user@host> show configuration security address-book | match server1 | display set set security address-book book2 address server1 172.19.55.20/32 set security address-book book3 address server1 172.20.11.18/32 user@host> show configuration security address-book | match pc1 | display set set security address-book book1 address pc1 172.18.21.213/32 user@host> show configuration applications application hr-data-feed { protocol tcp; destination-port 38888;
}
user@host> run show log flow-traceoptions | no-more
Jun 13 15:54:09 host clear-log[2503]: logfile cleared
Jun 13 15:54:10 15:54:10.611915:CID-0:RT:172.18.21.213/38362->172.19.55.20/38888;17> matched filter filter1:
Jun 13 15:54:10 15:54:10.611915:CID-0:RT:packet [40] ipid = 38364, @423e421c
Jun 13 15:54:10 15:54:10.611915:CID-0:RT:---- flow_process_pkt: (thd 3): flow_ctxt type 15, common flag 0x0, mbuf 0x423e4000, rtbl_idx = 0
Jun 13 15:54:10 15:54:10.611915:CID-0:RT: flow process pak fast ifl 70 in_ifp ge-0/0/8.0
Jun 13 15:54:10 15:54:10.611915:CID-0:RT: find flow: table 0x49175b08, hash 9077(0xffff), sa 172.18.21.213, da 172.19.55.20, sp 38362, dp 38888, proto 17, tok
Jun 13 15:54:10 15:54:10.611915:CID-0:RT: flow_first_create_session
Jun 13 15:54:10 15:54:10.611915:CID-0:RT: flow_first_in_dst_nat: in 0/8.0>, out A> dst_adr 172.19.55.20, sp 38362, dp 38888
Jun 13 15:54:10 15:54:10.611915:CID-0:RT: chose interface ge-0/0/8.0 as incoming nat if.
Jun 13 15:54:10 15:54:10.611915:CID-0:RT:flow_first_rule_dst_xlate: DST no-xlate: 0.0.0.0(0) to 172.19.55.20(38888)
Jun 13 15:54:10 15:54:10.611915:CID-0:RT:flow_first_routing: vr_id 0, call flow_route_lookup(): src_ip 172.18.21.213, x_dst_ip 172.19.55.20, in ifp ge-0/0/8.0, out ifp N/A sp 38362, dp 38888, ip_proto 17, tos 0
Jun 13 15:54:10 15:54:10.611915:CID-0:RT:Doing DESTINATION addr route-lookup
Jun 13 15:54:10 15:54:10.611915:CID-0:RT: routed (x_dst_ip 172.19.55.20) from engineering (ge-0/0/8.0 in 0) to ge-0/0/10.0, Next-hop: 172.19.55.20
Jun 13 15:54:10 15:54:10.611915:CID-0:RT:flow_first_policy_search: policy search from zone engineering-> zone hr (0x0,0x95da97e8,0x97e8)
Jun 13 15:54:10 15:54:10.611915:CID-0:RT: app 0, timeout 60s, curr ageout 60s
Jun 13 15:54:10 15:54:10.611915:CID-0:RT: Error : get sess plugin info 0x4c390388
Jun 13 15:54:10 15:54:10.611915:CID-0:RT: Error : get sess plugin info 0x4c390388
Jun 13 15:54:10 15:54:10.612416:CID-0:RT: packet dropped, denied by policy
Jun 13 15:54:10 15:54:10.612416:CID-0:RT: denied by policy old-policy(6), dropping pkt
Jun 13 15:54:10 15:54:10.612416:CID-0:RT: packet dropped, policy deny.
Jun 13 15:54:10 15:54:10.612416:CID-0:RT: flow didn't create session, code=-1.
Jun 13 15:54:10 15:54:10.612416:CID-0:RT: ----- flow_process_pkt rc 0x7 (fp rc -1)
-- Exhibit --
Click the Exhibit button.
A user added the new-policy policy to permit traffic. However, they report that the traffic is still not permitted by the device.
Using the information in the exhibit, why is the device denying the traffic?

-- Exhibit --
user@host> show security flow session
...
Session ID. 41, Policy name: allow/5, Timeout: 20, Valid
In: 172.168.66.143/43886 --> 192.168.100.1/5000;tcp, If: ge-0/0/1.0, Pkts: 1, Bytes: 60
Out: 10.100.1.100/5555 --> 172.168.66.143/43886;tcp, If: ge-0/0/2.0, Pkts: 0, Bytes: 0 user@host> show configuration
...
security {
nat {
destination {
pool server {
address 10.100.1.100/32 port 5555;
}
rule-set rule1 {
from zone UNTRUST;
rule 1 {
match {
destination-address 192.168.100.1/32;
destination-port 5000;
}
then {
destination-nat pool server;
}
}
}
}
proxy-arp {
interface ge-0/0/1.0 {
address {
192.168.100.1/32;
}
}
}
}
policies {
from-zone UNTRUST to-zone TRUST {
policy allow {
match {
source-address any;
destination-address any;
application [ junos-ping tcp-5000 ];
}
then {
permit;
}
}
}
}
zones {
security-zone TRUST {
interfaces {
ge-0/0/2.0 {
host-inbound-traffic {
protocols {
all;
}
}
}
}
}
security-zone UNTRUST {
interfaces {
ge-0/0/1.0 {
host-inbound-traffic {
system-services {
ping;
}
}
}
}
}
}
}
applications {
application tcp-5000 {
protocol tcp;
destination-port 5000;
}
}
-- Exhibit --
Click the Exhibit button.
Your customer is attempting to reach your new server that should be accessible publicly using 192.168.100.100 on TCP port 5000, and internally using
10.100.100.1 on TCP port 5555. You notice a session forms when they attempt to access the server, but they are unable to reach the server.
Referring to the exhibit, what will resolve this problem?

-- Exhibit --
user@host> show log ibgp-trace
...
Jun 12 10:21:08 10:21:08.367627:CID-0:RT:192.168.2.1/49170->192.168.1.1/179;6> matched filter ibgp-traffic:
Jun 12 10:21:08 10:21:08.367747:CID-0:RT:packet [64] ipid = 11792, @423f741c
Jun 12 10:21:08 10:21:08.367747:CID-0:RT:---- flow_process_pkt: (thd 2): flow_ctxt type 15, common flag 0x0, mbuf 0x423f7200, rtbl_idx = 0
Jun 12 10:21:08 10:21:08.367747:CID-0:RT: flow process pak fast ifl 71 in_ifp ge-0/0/3.0
Jun 12 10:21:08 10:21:08.367747:CID-0:RT: ge-0/0/3.0:192.168.2.1/49170->192.168.1.1/179, tcp, flag 2 syn
Jun 12 10:21:08 10:21:08.367747:CID-0:RT: find flow: table 0x4f161150, hash 15898(0xffff), sa 192.168.2.1, da 192.168.1.1, sp 49170, dp 179, proto 6, tok 7
Jun 12 10:21:08 10:21:08.367747:CID-0:RT: no session found, start first path. in_tunnel - 0, from_cp_flag - 0
Jun 12 10:21:08 10:21:08.367747:CID-0:RT: flow_first_create_session
Jun 12 10:21:08 10:21:08.367747:CID-0:RT:Doing DESTINATION addr route-lookup
Jun 12 10:21:08 10:21:08.367747:CID-0:RT: routed (x_dst_ip 192.168.1.1) from trust (ge-0/0/3.0 in 0) to lo0.0, Next-hop: 92.168.1.1
Jun 12 10:21:08 10:21:08.367747:CID-0:RT:flow_first_policy_search: policy search from zone trust-> zone loopback-zone (0x0,0xc01200b3,0xb3)
Jun 12 10:21:08 10:21:08.367747:CID-0:RT: policy has timeout 900
Jun 12 10:21:08 10:21:08.367747:CID-0:RT: app 0, timeout 1800s, curr ageout 20s
Jun 12 10:21:08 10:21:08.367747:CID-0:RT: permitted by policy allow-bgp(8)
Jun 12 10:21:08 10:21:08.368250:CID-0:RT: flow_first_install_session======> 0x5394a110
Jun 12 10:21:08 10:21:08.368250:CID-0:RT:flow_first_service_lookup(): natp(0x5394a110): app_id, 0(0).
Jun 12 10:21:08 10:21:08.368250:CID-0:RT: service lookup identified service 0.
Jun 12 10:21:08 10:21:08.368250:CID-0:RT: flow_first_final_check: in 0/3.0>, out
Jun 12 10:21:08 10:21:08.368250:CID-0:RT: existing vector list 2-49c75930.
Jun 12 10:21:08 10:21:08.368250:CID-0:RT: Session (id:137) created for first pak 2
Jun 12 10:21:08 10:21:08.368250:CID-0:RT: post addr xlation: 192.168.2.1->192.168.1.1.
Jun 12 10:21:08 10:21:08.368250:CID-0:RT:check self-traffic on lo0.0, in_tunnel 0x0
Jun 12 10:21:08 10:21:08.368250:CID-0:RT:retcode: 0xa01
Jun 12 10:21:08 10:21:08.368250:CID-0:RT:pak_for_self : proto 6, dst port 179, action 0x0
Jun 12 10:21:08 10:21:08.368250:CID-0:RT: flow_first_create_session
Jun 12 10:21:08 10:21:08.368250:CID-0:RT: flow_first_in_dst_nat: in , out A> dst_adr 192.168.1.1, sp 49170, dp 179
Jun 12 10:21:08 10:21:08.368752:CID-0:RT: chose interface lo0.0 as incoming nat if.
Jun 12 10:21:08 10:21:08.368752:CID-0:RT: packet droppeD. for self but not interested
Jun 12 10:21:08 10:21:08.368752:CID-0:RT: packet dropped, packet droppeD. for self but not interested.
Jun 12 10:21:08 10:21:08.368752:CID-0:RT: flow find session returns error.
Jun 12 10:21:08 10:21:08.368752:CID-0:RT: ----- flow_process_pkt rc 0x7 (fp rc -1)
-- Exhibit --
Click the Exhibit button.
You are asked to troubleshoot a new IBGP peering problem on your SRX Series device. The IBGP peering is not establishing.
Referring to the outputs in the exhibit, what is causing the problem?

-- Exhibit --
user@host> show configuration
...
security {
nat {
destination {
pool server {
address 10.100.100.1/32 port 5555;
}
rule-set rule1 {
from zone UNTRUST;
rule 1 {
match {
destination-address 192.168.100.1/32;
destination-port 5000;
}
then {
destination-nat pool server;
}
}
}
}
proxy-arp {
interface ge-0/0/1.0 {
address {
192.168.100.1/32;
}
}
}
}
policies {
from-zone UNTRUST to-zone TRUST {
policy allow {
match {
source-address any;
destination-address any;
application [ junos-ping tcp-5000 ];
}
then {
permit;
}
}
}
}
zones {
security-zone TRUST {
interfaces {
ge-0/0/2.0 {
host-inbound-traffic {
protocols {
all;
}
}
}
}
}
security-zone UNTRUST {
interfaces {
ge-0/0/1.0 {
host-inbound-traffic {
system-services {
ping;
}
}
}
}
}
}
}
applications {
application tcp-5000 {
protocol tcp;
destination-port 5000;
}
}
-- Exhibit --
Click the Exhibit button.
Your customer is attempting to reach a new server that should be accessible publicly using 192.168.100.100 on TCP port 5000, and internally using 10.100.100.1 on TCP port 5555. You notice no sessions form when the customer attempts to access the server.
Referring to the exhibit, what will resolve this problem?