多选题 Which three of the following options are NOT fields found in an Ethernet frame?（）
Version
Type
Source Port
Flags
Data
单选题 When a local loopback is activated on a PPP serial link, what indicates that the local interface is good?（）
A ping to the local address succeeds.
A ping to the remote address succeeds.
A ping to the remote address received a 'TTL expired' message.
The interface shows a flag indicating that a loop is detected.
多选题 Which three statements describe the Transmission Control Protocol (TCP)?（）
TCP is a transport layer protocol.
TCP is faster than the User Datagram Protocol (UDP).
TCP provides delivery notification and error checking mechanisms.
TCP uses a best effort delivery approach.
TCP application examples include HTTP and SMTP.
单选题 After issuing the show interfaces terse command, you notice that the status of one interface is "up down". What does this indicate?"（）
Layer 1 on the interface is up but Layer 2 is down.
Layer 2 on the interface is up but Layer 3 has not been configured.
The interface is administratively up but the link status is down.
The interface is up but has been administratively turned off.
单选题 You are the top of the hierarchy in configuration mode. How would you save your configuration to a file on the router?（）
save configuration <filename>
save config <filename>
save <filename>
save run <filename>
单选题 How many IP addresses can be configured in a given interface?（）
one primary and one secondary IP address
one IP address
as many IP addresses as you want
one primary and multiple secondary IP addresses
单选题 Which statement is correct about the validate option when upgrading JUNOS software?（）
It will check the MD5 checksum of the install package.
It will check if the device meets the memory requirements for the install package.
It will check the compatibility of the configuration with the install package.
It will check if the device meets the storage requirement for the install package.
多选题 Which three statements are true regarding the Network Time Protocol (NTP) in JUNOS platforms?（）
MD5 authentication is supported.
A client always synchronizes to a server even when the difference between the server clock and the local clock differs by a large amount.
JUNOS software can provide a primary time reference.
The boot-server configuration allows a router to synchronize its clock when it boots up, regardless of the offset between the NTP clock source and its internal clock.
It is useful to correlate timestamps on log files and other events for troubleshooting and forensics.
单选题 In which mode are users allowed to configure the device， including interfaces， protocols， user access， and system hardware properties？（）
priviledged mode
configuration mode
monitoring mode
operational mode
公文的发文闭合程序？
初始评审的目的是为职业安全健康管理体系建立和实施提供基础，为职业安全健康管理体系的持续改进（ ）。
男性幼儿，4岁，发热、咳脓痰2周。体温波动于38～39℃。X线胸片示右肺下叶大片致密影，右胸膜腔积液。最常见的致病菌是（）
对于PowerPoint2003中文本框内的文字，设置项目符号可以采用的是（）。
牵引装置的分类，可分为（）。
再生资源实行的先征后退工作中，纳税评估如果发现纳税人有异常情况应当及时通报初审的财政机关。
营改增改革试点后，应税服务的增值税优惠政策根据具体形式的不同主要包括哪些方式？
足月新生儿，出生体重2.3kg，羊膜早破，生后2天拒奶，呕吐，发绀，黄疸进行性加重。体检：体温不升，前囟平，颈软，全身黄染，心率150次／分，心音及心率正常，腹软，肝肋下3cm。化验：白细胞20×109/L，中性粒细胞占80%，胆红素308μmol/L，血型“O”，母亲血型为“A”，最大可能是（）
引起肾盂肾炎最常见的致病菌是（ ）。
女性患者，54岁，劳动中突感头晕，随即左半身无力，右眼闭合不全，双眼向左侧凝视，10分钟后昏迷。高热、双瞳孔小、四肢软瘫，应考虑的诊断是（）
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